Fairfield, Utah Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Fairfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——94°59°—
- SundayJul 5Overcast——98°63°+4°
- MondayJul 6Overcast33%—96°69°-2°
- TuesdayJul 7Overcast33%—97°65°+1°
- WednesdayJul 8Overcast——100°65°+3°
- ThursdayJul 9Overcast——95°63°-5°
- FridayJul 10Clear——100°60°+5°
AQI 93 (Moderate), driven by Ozone. AQI up 52 in the last 6 hours — air quality is degrading. Ozone at AQI 85. Overcast through the UV peak window (cloud cover ~76%) — 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 85. Overcast through the UV peak window (cloud cover ~76%) — afternoon ozone should stay flat.
- Present
- AQI 85
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 4.9 µg/m³ (AQI 27), ratio 0.44 with 6 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.44
- 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
- 11:48 PM
- Moonset
- 11:45 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Fairfield at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Fairfield
- Sat94°59°0%
- Sun98°62°1%
- Mon96°69°33%
- Tue97°65°33%
- Wed100°65°2%
- Thu95°63°2%
- Fri100°60°0%
- Sat105°62°3%
- Sun109°65°7%
- Mon109°69°10%
- Tue111°70°15%
- Wed110°72°15%
- Thu109°70°30%
- Fri108°71°32%
- Sat104°69°32%
- Sun102°67°35%
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 — Fairfield
SPC includes Fairfield 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 Fairfield
- 84013