Summerville, South Carolina Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Summerville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Drizzle20%0.02″97°74°—
- TuesdayJul 7Showers31%0.13″96°77°-1°
- WednesdayJul 8Overcast31%—101°79°+5°
- ThursdayJul 9Drizzle17%—100°77°-1°
- FridayJul 10Overcast15%—104°78°+4°
- SaturdayJul 11Overcast28%—104°82°0°
- SundayJul 12Light Drizzle60%—104°80°0°
AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.90 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.90 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant 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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 12:00 AM
- Moonset
- 12:36 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Summerville at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: March 5 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP codes: 29483, 29485, 29486
15-Day Forecast — Summerville
- Mon97°74°20%
- Tue96°77°31%
- Wed101°79°31%
- Thu100°77°17%
- Fri104°78°15%
- Sat104°82°28%
- Sun104°80°60%
- Mon105°77°50%
- Tue110°80°20%
- Wed111°82°17%
- Thu114°75°26%
- Fri100°76°33%
- Sat95°75°43%
- Sun83°71°48%
- Mon82°71°45%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Summerville
Right now in the garden
Peak growing season
As of July 6, 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 — Summerville
SPC includes Summerville 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 Summerville
- 29485
- 29486
- 29483
- 29484