Chester, South Carolina Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Chester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast20%—95°71°—
- TuesdayJul 7Overcast16%—95°75°0°
- WednesdayJul 8Overcast11%—102°74°+7°
- ThursdayJul 9Light Drizzle11%—101°75°-1°
- FridayJul 10Light Drizzle——98°73°-3°
- SaturdayJul 11Light Drizzle31%—100°75°+2°
- SundayJul 12Overcast35%—102°73°+2°
AQI 59 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.98 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
Ozone × UV × Sky
Ozone at AQI 35 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8.
- Present
- AQI 35
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.98 fine-to-coarse ratio and 2 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
- 12:05 AM
- Moonset
- 12:41 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Chester at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: March 15 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 29706
15-Day Forecast — Chester
- Mon96°70°20%
- Tue95°75°16%
- Wed102°74°11%
- Thu101°75°11%
- Fri98°73°8%
- Sat100°75°31%
- Sun102°73°35%
- Mon101°74°35%
- Tue106°77°14%
- Wed107°77°15%
- Thu104°83°15%
- Fri96°69°44%
- Sat93°72°54%
- Sun90°68°61%
- Mon90°68°55%
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 — Chester
SPC has placed Chester 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 Chester
- 29706