St. George, Utah Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
St. George weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——104°66°—
- SundayJul 5Overcast——103°72°-1°
- MondayJul 6Overcast——105°77°+2°
- TuesdayJul 7Clear——106°80°+1°
- WednesdayJul 8Clear——108°81°+2°
- ThursdayJul 9Clear——109°80°+1°
- FridayJul 10Clear——108°81°-1°
AQI 68 (Moderate), driven by Ozone. AQI up 21 in the last 6 hours — air quality is degrading. Ozone at AQI 63. 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 63. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 63
- UV peak
- 0.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
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
- 11:52 PM
- Moonset
- 11:52 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
St. George at a glance
- Today vs. normal: 26°F above the seasonal normal for this latitude
- Last frost: March 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. George
- Sat104°66°0%
- Sun103°72°3%
- Mon105°77°1%
- Tue106°80°0%
- Wed108°81°0%
- Thu109°80°0%
- Fri108°81°0%
- Sat110°81°1%
- Sun110°82°4%
- Mon115°82°12%
- Tue113°87°7%
- Wed112°86°22%
- Thu111°81°23%
- Fri110°85°12%
- Sat109°86°14%
- Sun110°87°24%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near St. George
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 — St. George
SPC includes St. George 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 St. George
- 84770
- 84790
- 84791