Charleston, Utah Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Charleston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——90°52°—
- SundayJul 5Overcast——93°64°+3°
- MondayJul 6Overcast——91°70°-2°
- TuesdayJul 7Overcast——94°60°+3°
- WednesdayJul 8Overcast——95°61°+1°
- ThursdayJul 9Overcast——91°57°-4°
- FridayJul 10Clear——98°52°+7°
AQI 90 (Moderate), driven by Ozone. AQI up 40 in the last 6 hours — air quality is degrading. Ozone at AQI 60. 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 60. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 60
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32), ratio 0.53 with 7 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
- 11:46 PM
- Moonset
- 11:42 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Charleston at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Charleston
- Sat90°52°2%
- Sun93°64°1%
- Mon91°70°9%
- Tue94°60°9%
- Wed95°61°9%
- Thu91°57°2%
- Fri98°52°0%
- Sat103°55°4%
- Sun106°62°4%
- Mon108°64°9%
- Tue108°65°20%
- Wed108°68°22%
- Thu106°67°35%
- Fri104°66°35%
- Sat102°67°26%
- Sun95°63°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 — Charleston
SPC includes Charleston 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 Charleston
- 84032
- 84082