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

Delta, Utah Weather

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

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

Delta, UT
Saturday, July 4 at 8:46 PM
86
°
Clear
Feels like
78°
Humidity
7%
Wind
5 mph
Sunrise
12:08 AM
Sunset
3:00 PM
Delta, UT
Hour by hour · 24h
24-Hour ForecastDelta, UT: 24-hour forecast. Temperatures range from 63 to 98 degrees Fahrenheit.
L 63°H 98°
Delta, UT
7-day forecast
  1. Today
    Jul 4
    Clear
    94°58°
  2. Sunday
    Jul 5
    Overcast
    98°63°+4°
  3. Monday
    Jul 6
    Overcast
    97°72°-1°
  4. Tuesday
    Jul 7
    Clear
    99°73°+2°
  5. Wednesday
    Jul 8
    Overcast
    101°72°+2°
  6. Thursday
    Jul 9
    Clear
    98°67°-3°
  7. Friday
    Jul 10
    Clear
    100°69°+2°
Delta, UT
Anemometer · 24h winds · from true
NESW
From · True
NNW
327° · backing 94°
Direction
NNW
327°
Sustained
5
mph
Gust
5
mph
Peak 24h
21
avg 7
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 7 · pk 21 @ 3:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 1811SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Delta, UT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
858.9
-2.8 mb in 3h · falling rapidly · 25.36 inHg
Now
858.9
mb
3h
-2.8
mb
12h
+0.4
mb
24h
+0.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 855864
850855860865870-21h-18h-15h-12h-9h-6h-3h-24hNOW864.3855.2859.3
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Delta, UT
Air quality
88
AQI
Moderate
+39 in 6h

AQI 88 (Moderate), driven by Ozone. AQI up 39 in the last 6 hours — air quality is degrading. Ozone at AQI 83. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
5.4μg/m³
PM 10Good
10μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
127μg/m³
UV IndexLow
0.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 83. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 83
UV peak
0.1 at 1 PM
Sky at peak
overcast
Projected peak
AQI 10

PM × Wind × Precip

PM2.5 at 5.4 µg/m³ (AQI 30), ratio 0.53 with 5 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.53
Wind
light
Recent rain
0h in last 6h
Pattern
transport
Delta, UT
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
183.5mi
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
02:46 UTC · Delta, 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
02:46 UTC · Delta, UT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Delta, UT
Satellite · infrared · animated
Delta, UT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Delta, UT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:37 AM
Sunrise
12:08 AM
Daylight
14h 52m
Sunset
3:00 PM
Civil dusk
9:33 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Delta, UT
The moon
Waning Gibbous
76% illuminated
Moonrise
11:49 PM
Moonset
11:47 AM
In sign
♓︎ Pisces
Delta, UT
Microseason
Jul 1–5

Monsoon storms drench the south

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Delta at a glance

  • Today vs. normal: 14°F above the seasonal normal for this latitude
  • Last frost: April 12 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 84624

16-Day Forecast — Delta

  1. Sat94°58°0%
  2. Sun98°63°1%
  3. Mon97°72°5%
  4. Tue99°73°5%
  5. Wed101°72°2%
  6. Thu98°67°0%
  7. Fri100°69°0%
  8. Sat105°68°0%
  9. Sun109°76°3%
  10. Mon109°75°10%
  11. Tue112°76°10%
  12. Wed109°78°12%
  13. Thu108°73°25%
  14. Fri106°77°26%
  15. Sat106°73°24%
  16. Sun104°74°26%

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 — Delta

SPC includes Delta 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.

ZIP codes in Delta

  • 84624

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.