Charleston, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Charleston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle13%0.04″93°70°—
- SundayJul 5Heavy Rain21%0.51″97°72°+4°
- MondayJul 6Light Drizzle65%—88°70°-9°
- TuesdayJul 7Drizzle22%—91°68°+3°
- WednesdayJul 8Overcast12%—91°65°0°
- ThursdayJul 9Partly Cloudy17%—96°65°+5°
- FridayJul 10Thunderstorm56%—93°71°-3°
AQI 56 (Moderate), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 75 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
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 75 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 75
- UV peak
- 1.3 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 75
PM × Wind × Precip
PM2.5 at 9.4 µg/m³ (AQI 52) with a 0.90 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:27 PM
- Moonset
- 10:49 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Charleston at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: March 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37310
16-Day Forecast — Charleston
- Sat93°70°13%
- Sun97°72°21%
- Mon88°70°65%
- Tue91°68°22%
- Wed91°65°12%
- Thu96°65°17%
- Fri93°71°56%
- Sat84°70°55%
- Sun80°63°37%
- Mon83°57°17%
- Tue84°58°20%
- Wed89°62°39%
- Thu88°67°42%
- Fri91°68°58%
- Sat87°69°51%
- Sun85°69°50%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 has placed Charleston in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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
- 37310