Sumter, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Sumter weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast15%—100°75°—
- MondayJul 6Light Drizzle53%0.02″96°78°-4°
- TuesdayJul 7Overcast40%—100°75°+4°
- WednesdayJul 8Overcast37%—102°74°+2°
- ThursdayJul 9Overcast17%—103°75°+1°
- FridayJul 10Partly Cloudy17%—105°80°+2°
- SaturdayJul 11Light Drizzle40%—105°77°0°
AQI 32 (Good), driven by Ozone. AQI down 13 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 11:35 PM
- Moonset
- 11:34 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Sumter at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 29150, 29153, 29154
15-Day Forecast — Sumter
- Sun100°75°15%
- Mon96°78°53%
- Tue100°75°40%
- Wed102°74°37%
- Thu103°75°17%
- Fri105°80°17%
- Sat105°77°40%
- Sun103°76°43%
- Mon80°73°34%
- Tue93°69°21%
- Wed96°72°13%
- Thu97°70°45%
- Fri86°73°45%
- Sat91°74°48%
- Sun97°72°42%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Sumter
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 — Sumter
SPC includes Sumter in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Sumter
- 29154
- 29152
- 29153
- 29150
- 29151