Seneca, South Carolina Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Seneca weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast18%—91°72°—
- TuesdayJul 7Overcast——93°72°+2°
- WednesdayJul 8Overcast——98°72°+5°
- ThursdayJul 9Light Drizzle——96°72°-2°
- FridayJul 10Drizzle——97°70°+1°
- SaturdayJul 11Overcast22%—94°74°-3°
- SundayJul 12Overcast33%—95°74°+1°
AQI 47 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.96 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 41. Overcast through the UV peak window (cloud cover ~77%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 4.9 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.96 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 12:12 AM
- Moonset
- 12:48 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Seneca at a glance
- Today vs. normal: 3°F above 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 codes: 29672, 29678
16-Day Forecast — Seneca
- Mon91°72°18%
- Tue93°72°8%
- Wed98°72°8%
- Thu96°72°6%
- Fri97°70°9%
- Sat94°74°22%
- Sun95°74°33%
- Mon95°68°20%
- Tue94°66°13%
- Wed104°69°13%
- Thu83°66°15%
- Fri90°66°23%
- Sat92°65°23%
- Sun93°66°42%
- Mon90°66°48%
- Tue91°67°49%
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 — Seneca
SPC includes Seneca 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 Seneca
- 29672
- 29678
- 29679