Weather StoryAlmanac, microseasons, and the day's weather story.

Mountain View, Colorado Weather

Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →

Mountain View weather forecast — hour by hour, 7-day outlook, NOAA radar

Mountain View, CO
Saturday, July 4 at 9:17 PM
76
°
Clear
Feels like
71°
Humidity
22%
Wind
5 mph
Sunrise
11:37 PM
Sunset
2:31 PM
Mountain View, CO
Hour by hour · 24h
24-Hour ForecastMountain View, CO: 24-hour forecast. Temperatures range from 62 to 96 degrees Fahrenheit.
L 62°H 96°
Mountain View, CO
7-day forecast
  1. Today
    Jul 4
    Overcast
    15%
    92°62°
  2. Sunday
    Jul 5
    Overcast
    96°62°+4°
  3. Monday
    Jul 6
    Overcast
    97°65°+1°
  4. Tuesday
    Jul 7
    Overcast
    51%
    96°75°-1°
  5. Wednesday
    Jul 8
    Drizzle
    59%
    0.06″
    94°70°-2°
  6. Thursday
    Jul 9
    Overcast
    42%
    100°68°+6°
  7. Friday
    Jul 10
    Partly Cloudy
    22%
    93°69°-7°
Mountain View, CO
Anemometer · 24h winds · from true
NESW
From · True
NW
313° · veering 38°
Direction
NW
313°
Sustained
5
mph
Gust
9
mph
Peak 24h
22
avg 5
Beaufort · 2 · LIGHT BRZ
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 22 @ 6:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 3016SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 38° from the nw.
Mountain View, CO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
838.9
-1.7 mb in 3h · falling · 24.77 inHg
Now
838.9
mb
3h
-1.7
mb
12h
-3.6
mb
24h
-0.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 836843
830835840845850-21h-18h-15h-12h-9h-6h-3h-24hNOW843.3835.8838.9
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Mountain View, CO
Air quality
93
AQI
Moderate
+13 in 6h

AQI 93 (Moderate), driven by PM2.5. AQI up 13 over the last 6 hours (gradual rise). PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.90 fine-to-coarse ratio and 5 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.

PM 2.5DRIVERGood
11.1μg/m³
PM 10Good
12μg/m³
NO₂Good
12μg/m³
OzoneModerate
95μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 45 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 11 around 1 PM.

Present
AQI 45
UV peak
0.0 at 1 PM
Sky at peak
clear
Projected peak
AQI 11

PM × Wind × Precip

PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.90
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Mountain View, CO
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
155.3mi
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
03:17 UTC · Mountain View, CO · 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
03:17 UTC · Mountain View, CO · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mountain View, CO
Satellite · infrared · animated
Mountain View, CO
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mountain View, CO
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:06 AM
Sunrise
11:37 PM
Daylight
14h 54m
Sunset
2:31 PM
Civil dusk
9:05 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mountain View, CO
The moon
Waning Gibbous
76% illuminated
Moonrise
11:19 PM
Moonset
11:15 AM
In sign
♓︎ Pisces
Mountain View, CO
Microseason
Jul 1–5

Monsoon storms drench the south

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mountain View at a glance

  • Today vs. normal: 4°F above the seasonal normal for this latitude
  • Last frost: April 15 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Mountain View

  1. Sat92°62°15%
  2. Sun96°62°3%
  3. Mon97°65°7%
  4. Tue96°75°51%
  5. Wed94°70°59%
  6. Thu100°68°42%
  7. Fri93°69°22%
  8. Sat97°66°5%
  9. Sun101°74°3%
  10. Mon108°74°9%
  11. Tue104°78°23%
  12. Wed108°79°31%
  13. Thu102°81°39%
  14. Fri104°77°43%
  15. Sat103°76°44%
  16. Sun96°66°50%

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

Right now in the garden

Peak growing season

As of July 5, 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 — Mountain View

SPC has placed Mountain View in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

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 coastMay 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 186 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
Augusttomatoes, 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 Mountain View's warmest stretch (~72°F) and December its coldest (~25°F); precipitation crests in May at 3.3 inches and ebbs in January to 0.9 inches.

MonthMean tempPrecipRainy days
January25°0.910
February28°1.111
March33°1.915
April44°2.618
May55°3.321
June66°2.120
July72°2.223
August70°1.823
September63°1.415
October48°1.411
November33°1.412
December25°0.910

Frequently asked

When does it freeze in Mountain View?
Frost typically leaves Mountain View by mid-April and returns to Mountain View near mid-November.
What is the rainy season in Mountain View?
Mountain View sees its heaviest rain in May (around 3.3 inches), part of roughly 21 inches a year.
What is the warmest month in Mountain View?
The warmest stretch in Mountain View comes in July, around 72°F on average.
What is the coldest month in Mountain View?
On average December is the chilliest month in Mountain View, about 25°F.
When can I start a vegetable garden in Mountain View?
Mountain View's last frost (mid-April) cues hardy greens; in Mountain View, hold heat-lovers two weeks past.
How many rainy days does Mountain View get?
Expect roughly 191 wet days a year in Mountain View.
What hardiness zone is Mountain View?
Mountain View's USDA zone comes from its December mean (25°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for Mountain View?
Mountain View'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 Mountain View?
See this week's day-by-day rain chances for Mountain View in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Mountain View?
Current conditions for Mountain View and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Mountain View forecast updated?
The Mountain View forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Mountain View?
Today's sunrise and sunset times for Mountain View 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 Mountain View?
The next few days in Mountain View's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Mountain View, Colorado occupies a hot desert zone, with January means near 25°F and July around 72°F — a 47°F swing.

Yearly precipitation in Mountain View totals around 21 inches, spread over about 191 days of rain or snow.

Latitude 39.8°N gives Mountain View its 47°F swing, and with it the rhythm of Mountain View's growing season.

ZIP codes in Mountain View

  • 80212

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.