Gaffney, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Gaffney weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast20%—97°74°—
- MondayJul 6Showers60%0.05″95°71°-2°
- TuesdayJul 7Light Showers37%0.02″97°70°+2°
- WednesdayJul 8Overcast18%—99°70°+2°
- ThursdayJul 9Clear12%—100°70°+1°
- FridayJul 10Overcast19%—100°72°0°
- SaturdayJul 11Light Drizzle43%—89°72°-11°
AQI 55 (Moderate), driven by PM2.5. AQI down 26 over the last 6 hours — air quality is improving sharply. PM2.5 at 12.9 µg/m³ (AQI 58) with a 0.86 fine-to-coarse ratio and 4 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
Ozone × UV × Sky
Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~76%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 12.9 µg/m³ (AQI 58) with a 0.86 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:41 PM
- Moonset
- 11:39 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Gaffney at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 29340, 29341
15-Day Forecast — Gaffney
- Sun98°73°20%
- Mon95°71°60%
- Tue97°70°37%
- Wed99°70°18%
- Thu100°70°12%
- Fri100°72°19%
- Sat89°72°43%
- Sun80°70°41%
- Mon84°66°20%
- Tue95°64°11%
- Wed98°69°18%
- Thu95°68°34%
- Fri95°67°42%
- Sat95°71°35%
- Sun102°72°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 — Gaffney
SPC has placed Gaffney in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- 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 Gaffney
- 29341
- 29340