Walhalla, South Carolina Weather
Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →
Walhalla weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Overcast——88°65°—
- ThursdayJun 18Showers70%0.25″83°69°-5°
- FridayJun 19Thunderstorm57%—91°66°+8°
- SaturdayJun 20Overcast——90°67°-1°
- SundayJun 21Overcast19%—88°67°-2°
- MondayJun 22Light Drizzle46%—88°68°0°
- TuesdayJun 23Light Drizzle20%—87°67°-1°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 7.2 µg/m³ (AQI 40) with a 0.89 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.
What's driving it
PM × Wind × Precip
PM2.5 at 7.2 µg/m³ (AQI 40) with a 0.89 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:47 AM
- Moonset
- 10:52 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Walhalla at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: March 16 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Walhalla
- Wed88°62°4%
- Thu83°69°70%
- Fri91°66°57%
- Sat90°67°2%
- Sun88°67°19%
- Mon88°68°46%
- Tue87°67°20%
- Wed86°67°25%
- Thu90°65°25%
- Fri93°69°31%
- Sat86°68°47%
- Sun88°66°52%
- Mon89°69°58%
- Tue92°70°68%
- Wed94°70°65%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Walhalla
SPC has placed Walhalla in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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 Walhalla
- 29691