South Union, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
South Union weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast16%—95°74°—
- MondayJul 6Overcast56%—90°73°-5°
- TuesdayJul 7Overcast18%—93°69°+3°
- WednesdayJul 8Overcast——95°69°+2°
- ThursdayJul 9Overcast——99°69°+4°
- FridayJul 10Light Drizzle13%—95°73°-4°
- SaturdayJul 11Overcast26%—99°74°+4°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.8 µg/m³ (AQI 58) with a 0.97 fine-to-coarse ratio and 5 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 12.8 µg/m³ (AQI 58) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:46 PM
- Moonset
- 11:45 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
South Union at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — South Union
- Sun95°74°16%
- Mon90°73°56%
- Tue93°69°18%
- Wed95°69°5%
- Thu99°69°6%
- Fri95°73°13%
- Sat99°74°26%
- Sun91°70°28%
- Mon95°69°22%
- Tue94°67°13%
- Wed96°67°9%
- Thu81°69°24%
- Fri77°69°32%
- Sat88°68°40%
- Sun90°68°42%
Forecast data from Open-Meteo (CC BY 4.0).
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 — South Union
SPC has placed South Union in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 South Union
- 29693
- 29643