Johnsonville, South Carolina Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Johnsonville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Partly Cloudy23%—99°75°—
- TuesdayJul 7Overcast37%—96°78°-3°
- WednesdayJul 8Light Drizzle31%—103°78°+7°
- ThursdayJul 9Light Showers18%0.24″102°78°-1°
- FridayJul 10Light Drizzle15%—102°80°0°
- SaturdayJul 11Overcast31%—103°79°+1°
- SundayJul 12Light Drizzle54%—105°77°+2°
AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.95 fine-to-coarse ratio and 5 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
Ozone × UV × Sky
Ozone at AQI 31 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7.
- Present
- AQI 31
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.95 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- light
- 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
- 11:57 PM
- Moonset
- 12:33 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Johnsonville at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 29555
15-Day Forecast — Johnsonville
- Mon99°74°23%
- Tue96°78°37%
- Wed103°78°31%
- Thu102°78°18%
- Fri102°80°15%
- Sat103°79°31%
- Sun105°77°54%
- Mon104°76°42%
- Tue108°78°22%
- Wed108°77°19%
- Thu113°79°20%
- Fri100°74°46%
- Sat79°73°58%
- Sun81°72°68%
- Mon81°70°58%
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 — Johnsonville
SPC includes Johnsonville 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 Johnsonville
- 29555