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
- TodayJul 4Clear——94°58°—
- SundayJul 5Overcast——98°63°+4°
- MondayJul 6Overcast——97°72°-1°
- TuesdayJul 7Clear——99°73°+2°
- WednesdayJul 8Overcast——101°72°+2°
- ThursdayJul 9Clear——98°67°-3°
- FridayJul 10Clear——100°69°+2°
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.
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
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:49 PM
- Moonset
- 11:47 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
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
- Sat94°58°0%
- Sun98°63°1%
- Mon97°72°5%
- Tue99°73°5%
- Wed101°72°2%
- Thu98°67°0%
- Fri100°69°0%
- Sat105°68°0%
- Sun109°76°3%
- Mon109°75°10%
- Tue112°76°10%
- Wed109°78°12%
- Thu108°73°25%
- Fri106°77°26%
- Sat106°73°24%
- 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