Smyrna, South Carolina Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Smyrna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast26%—96°70°—
- TuesdayJul 7Overcast18%—96°73°0°
- WednesdayJul 8Overcast19%—101°72°+5°
- ThursdayJul 9Drizzle19%—102°71°+1°
- FridayJul 10Light Drizzle17%—96°72°-6°
- SaturdayJul 11Light Drizzle34%0.01″99°72°+3°
- SundayJul 12Overcast32%—103°71°+4°
AQI 54 (Moderate), driven by PM2.5. AQI down 28 over the last 6 hours — air quality is improving sharply. PM2.5 at 12.2 µg/m³ (AQI 57) with a 0.98 fine-to-coarse ratio and 4 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 12.2 µg/m³ (AQI 57) with a 0.98 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.98
- 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
- 12:06 AM
- Moonset
- 12:42 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Smyrna at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 29743
15-Day Forecast — Smyrna
- Mon96°70°26%
- Tue96°73°18%
- Wed101°72°19%
- Thu102°71°19%
- Fri96°72°17%
- Sat99°72°34%
- Sun103°71°32%
- Mon100°73°26%
- Tue104°76°14%
- Wed106°78°17%
- Thu99°77°17%
- Fri96°65°53%
- Sat98°71°61%
- Sun91°67°61%
- Mon81°67°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 — Smyrna
SPC has placed Smyrna 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 Smyrna
- 29743