Walterboro, South Carolina Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Walterboro weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast20%—98°74°—
- TuesdayJul 7Overcast25%—96°77°-2°
- WednesdayJul 8Overcast26%—100°78°+4°
- ThursdayJul 9Thunderstorm12%—100°74°0°
- FridayJul 10Overcast13%—104°77°+4°
- SaturdayJul 11Overcast29%—105°79°+1°
- SundayJul 12Light Drizzle57%—103°76°-2°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.91 fine-to-coarse ratio and 2 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 5.3 µg/m³ (AQI 29) with a 0.91 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 12:03 AM
- Moonset
- 12:38 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Walterboro at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 29488
15-Day Forecast — Walterboro
- Mon98°74°20%
- Tue96°77°25%
- Wed100°78°26%
- Thu100°74°12%
- Fri104°77°13%
- Sat105°79°29%
- Sun103°76°57%
- Mon106°77°48%
- Tue110°79°21%
- Wed110°81°18%
- Thu112°79°24%
- Fri101°76°35%
- Sat97°73°48%
- Sun85°72°61%
- Mon87°70°48%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Walterboro
SPC includes Walterboro 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 Walterboro
- 29488