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West Valley City, Utah Weather

Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →

West Valley City weather forecast — hour by hour, 7-day outlook, NOAA radar

West Valley City, UT
Saturday, July 4 at 9:12 AM
77
°
Clear
Feels like
75°
Humidity
27%
Wind
1 mph
Sunrise
12:02 AM
Sunset
3:02 PM
West Valley City, UT
Hour by hour · 24h
24-Hour ForecastWest Valley City, UT: 24-hour forecast. Temperatures range from 70 to 96 degrees Fahrenheit.
L 70°H 96°
West Valley City, UT
7-day forecast
  1. Today
    Jul 4
    Partly Cloudy
    —
    —
    96°64°—
  2. Sunday
    Jul 5
    Overcast
    —
    —
    100°70°+4°
  3. Monday
    Jul 6
    Overcast
    26%
    —
    100°75°0°
  4. Tuesday
    Jul 7
    Overcast
    26%
    —
    98°72°-2°
  5. Wednesday
    Jul 8
    Clear
    —
    —
    101°71°+3°
  6. Thursday
    Jul 9
    Mostly Clear
    —
    —
    97°66°-4°
  7. Friday
    Jul 10
    Clear
    —
    —
    100°66°+3°
West Valley City, UT
Next 24 hours · Mild now
HOT 90°60°83°105°6a12p6p12anow 77°high 96°low 70°
West Valley City, UT
Anemometer · 24h winds · from true
NESW
From · True
S
180° · steady
Direction
S
180°
Sustained
1
mph
Gust
9
mph
Peak 24h
23
avg 5
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 23 @ 12:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 187SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the s.
West Valley City, UT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
871.4
+4.3 mb in 3h · rising rapidly · 25.73 inHg
Now
871.4
mb
3h
+4.3
mb
12h
+2.1
mb
24h
-0.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 867–873
860865870875880-21h-18h-15h-12h-9h-6h-3h-24hNOW872.5866.7871.4
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
West Valley City, UT
Air quality
37
AQI
Good
→-4 in 6h▲Peak ~44 @ 9 PM

AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.65 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.

PM 2.5DRIVERGood
7.8μg/m³
PM 10Good
12μg/m³
NO₂Good
11μg/m³
OzoneModerate
79μg/m³
UV IndexModerate
2.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 37 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 25 around 1 PM.

Present
AQI 37
UV peak
5.0 at 1 PM
Sky at peak
clear
Projected peak
AQI 25

PM × Wind × Precip

PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.65 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.65
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³300
West Valley City, UT
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
135.8mi
UNLIMITED
185 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
15:12 UTC · West Valley City, UT · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
15:12 UTC · West Valley City, UT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
West Valley City, UT
Satellite · infrared · animated
West Valley City, UT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
West Valley City, UT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:30 AM
Sunrise
12:02 AM
Daylight
15h 00m
Sunset
3:02 PM
Civil dusk
9:36 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
West Valley City, UT
The moon
Waning Gibbous
81% illuminated
Moonrise
11:25 PM
Moonset
10:37 AM
In sign
♓︎ Pisces
West Valley City, UT
Microseason
Jul 1–5

Monsoon storms drench the south

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

West Valley City at a glance

  • Today vs. normal: 6°F above the seasonal normal for this latitude
  • Last frost: April 20 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 84119, 84120, 84128

16-Day Forecast — West Valley City

  1. Sat96°64°0%
  2. Sun100°70°0%
  3. Mon100°75°26%
  4. Tue98°72°26%
  5. Wed101°71°3%
  6. Thu97°66°1%
  7. Fri100°66°1%
  8. Sat107°73°3%
  9. Sun107°76°6%
  10. Mon104°74°15%
  11. Tue101°74°16%
  12. Wed103°71°16%
  13. Thu104°73°17%
  14. Fri101°76°21%
  15. Sat103°78°23%
  16. Sun105°75°16%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near West Valley City

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — West Valley City

SPC includes West Valley City in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.

  • TODAYNONENo severe risk
  • TOMORROWNONENo severe risk
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

January 1–5: Deep freeze grips the high peaks.January 6–10: Ice thickens on alpine tarns.January 11–15: Springs stir beneath locked earth.January 16–20: Grouse call from the transition zone.January 21–25: First signals of the soil's turning.January 26–31: Stream water crystallizes thick.February 1–5: The year's coldest fortnight begins.February 6–10: East wind carries a subtle promise.February 11–15: Snowmelt springs whisper beneath ice.February 16–20: Red-wing calls rise from the wetlands.February 21–25: Rain begins to trace the snowline upward.February 26–28: Mist gathers in the warming canyons.March 1–5: Grass and trees stir from their sleep.March 6–10: Hibernators break through frozen ground.March 11–15: First blooms open to the spring sun.March 16–20: Mountain bluebirds return to the summits.March 21–25: Spring equinox at the divide.March 26–31: Aspen catkins burst in clusters.April 1–5: Thunderstorms rumble over granite peaks.April 6–10: Swallows and swifts slice the warming sky.April 11–15: Sandhill cranes call through the wetlands.April 16–20: Rainbows arch over the snowfields.April 21–25: New growth explodes across the montane.April 26–30: Last frost yields to summer growth.May 1–5: Wildflowers crest the high meadows.May 6–10: Summer monsoon clouds gather southward.May 11–15: Snowmelt crests toward the divide.May 16–20: High country wildflowers peak.May 21–25: Summer heat accelerates the growing season.May 26–31: Summer settles into the high country.June 1–5: Pikas hayfeeding in granite peaks.June 6–10: Glacier lily carpets the snowmelt.June 11–15: Paintbrush crowns the ridges.June 16–20: Thunderheads build by noon.June 21–25: Long light holds the peaks.June 26–30: Monsoon moisture drifts north.July 1–5: Monsoon storms drench the south.July 6–10: Wind builds through canyons.July 11–15: Lightning crowns every peak.July 16–20: Elk herds claim alpine meadows.July 21–25: Pika caches reach their peak.July 26–31: Monsoon pulses weaken northward.August 1–5: Summer heat breaks with monsoon.August 6–10: First frost creeps to peaks.August 11–15: Cool wind returns from north.August 16–20: Monsoon clouds gather over the peaks.August 21–25: The monsoon breaks into scattered showers.August 26–31: Summer insects thin as autumn wind rises.September 1–5: Elk descend from summer high meadows.September 6–10: Dew crystallizes on high grass at dawn.September 11–15: Hawks begin the long crossing southward.September 16–20: Equinox: darkness claims the high passes.September 21–25: Thunder retreats as the monsoon dies.September 26–30: First frost hardens the high valleys.October 1–5: October: the aspen stands reach their peak.October 6–10: Aspen gold slides downslope with the chill.October 11–15: Snow settles on the high passes.October 16–20: Elk bugling fades as rut nears its end.October 21–25: First hard frost grips the basin.October 26–31: Late rains settle into November patterns.November 1–5: Aspen canopy falls to earth.November 6–10: Granite bones emerge from cover.November 11–15: Earth begins to harden.November 16–20: Bare ranges hold silence.November 21–25: Snow returns to the peaks.November 26–30: North wind strips the landscape.December 1–5: Deep darkness settles over the ranges.December 6–10: Winter locks the high country.December 11–15: Elk withdraw to winter range.December 16–20: Ice thickens across frozen water.December 21–25: Winter solstice — the sun returns.December 26–31: The year closes in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Monsoon storms drench the south

Monsoon established in southern Mountain West (New Mexico, southern Utah, Arizona north); afternoon downpours and lightning common.

Day 185 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

July is West Valley City's warmest stretch (~81°F) and December its coldest (~28°F); precipitation crests in March at 2.6 inches and ebbs in June to 0.5 inches.

MonthMean tempPrecipRainy days
January29°2.0″16
February32°1.8″15
March38°2.6″19
April46°2.4″16
May58°1.7″13
June71°0.5″6
July81°0.7″7
August79°0.9″8
September68°1.2″8
October53°1.3″8
November37°2.3″14
December28°2.2″17

Regional context

West Valley City's climate, from NOAA NCEI 1991-2020 station normals, pairs 29°F Januarys with 81°F Julys — a 51°F swing. About 19.7 inches of precipitation falls over roughly 147 days a year.

Cool-season fronts carry West Valley City's rain: March logs 2.6 inches on 18.6 days, against June's 0.5 inches on 6.2 — winter does the heavy lifting in West Valley City. That groups West Valley City with places like Kearns, UT, Taylorsville, UT and West Jordan, UT on the same cool-season storm track.

The cool-season window in West Valley City starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. In West Valley City, warm-season transplants — tomatoes, peppers, basil — wait two weeks past West Valley City's frost date. West Valley City's window closes around mid-November as overnight lows return below freezing. In West Valley City, low spots run 4-7°F colder than nearby slopes, nudging West Valley City's frost dates a week.

Similar climates: Kearns, UT, Taylorsville, UT, West Jordan, UT, South Salt Lake, UT, Murray, UT.

Naturalist notes

By late May, yellow sweet clover (Melilotus officinalis) is flowering along roadsides and open lots in the Salt Lake Valley.

Barn swallows return to the area in April and can be seen feeding over open water and fields through late spring.

Frequently asked

When does it freeze in West Valley City?
Frost typically leaves West Valley City by mid-April and returns to West Valley City near mid-November.
What is the rainy season in West Valley City?
Rainfall in West Valley City peaks in March near 2.6 inches, out of about 20 inches annually.
What is the warmest month in West Valley City?
The warmest stretch in West Valley City comes in July, around 81°F on average.
What is the coldest month in West Valley City?
On average December is the chilliest month in West Valley City, about 28°F.
When can I start a vegetable garden in West Valley City?
Time tomatoes in West Valley City for two weeks after mid-April; peas and greens start at West Valley City's frost line.
How many rainy days does West Valley City get?
West Valley City averages about 147 days with measurable rain or snow each year.
What hardiness zone is West Valley City?
West Valley City's USDA zone comes from its December mean (28°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for West Valley City?
West Valley City's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in West Valley City?
See this week's day-by-day rain chances for West Valley City in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in West Valley City?
Current conditions for West Valley City and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the West Valley City forecast updated?
The West Valley City forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in West Valley City?
Today's sunrise and sunset times for West Valley City are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for West Valley City?
The next few days in West Valley City's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

West Valley City's cold semi-arid climate in Utah pairs 29°F Januarys with 81°F Julys, 52°F apart across the seasons.

Rain and snow bring West Valley City roughly 20 inches a year across approximately 147 measurable-precipitation days.

The 52°F gap between West Valley City's summer and winter, at 40.7°N, shapes West Valley City's frost calendar.

All cities in Utah →

Salt Lake City, UT weather →

ZIP codes in West Valley City

  • 84119
  • 84120
  • 84128
  • 84118
  • 84125
  • 84126
  • 84127
  • 84130
  • 84131
  • 84170

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.