Summerville, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Summerville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast36%—100°76°—
- MondayJul 6Overcast23%—97°77°-3°
- TuesdayJul 7Light Drizzle33%—97°77°0°
- WednesdayJul 8Drizzle18%—98°76°+1°
- ThursdayJul 9Overcast25%—102°77°+4°
- FridayJul 10Overcast22%—103°81°+1°
- SaturdayJul 11Overcast42%—102°79°-1°
AQI 25 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.71 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 4 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.71 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.71
- 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
- 11:34 PM
- Moonset
- 11:33 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Summerville at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 29483, 29485, 29486
15-Day Forecast — Summerville
- Sun100°76°36%
- Mon97°77°23%
- Tue97°77°33%
- Wed98°76°18%
- Thu102°77°25%
- Fri103°81°22%
- Sat102°79°42%
- Sun102°79°47%
- Mon85°74°42%
- Tue93°69°27%
- Wed93°71°18%
- Thu96°72°43%
- Fri92°72°42%
- Sat85°72°55%
- Sun95°75°31%
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 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 — 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