Holly Hill, South Carolina Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Holly Hill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast19%—98°72°—
- TuesdayJul 7Overcast45%—93°78°-5°
- WednesdayJul 8Overcast22%—100°77°+7°
- ThursdayJul 9Light Drizzle17%—98°77°-2°
- FridayJul 10Overcast17%—102°77°+4°
- SaturdayJul 11Overcast29%—102°80°0°
- SundayJul 12Light Drizzle51%0.05″104°77°+2°
AQI 40 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.93 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
Ozone × UV × Sky
Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 12:01 AM
- Moonset
- 12:37 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Holly Hill at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: March 7 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 29059
15-Day Forecast — Holly Hill
- Mon98°72°19%
- Tue93°78°45%
- Wed100°77°22%
- Thu98°77°17%
- Fri102°77°17%
- Sat102°80°29%
- Sun104°77°51%
- Mon103°77°48%
- Tue107°79°28%
- Wed106°78°20%
- Thu107°79°31%
- Fri97°76°46%
- Sat92°75°52%
- Sun86°71°32%
- Mon86°70°39%
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 — Holly Hill
SPC includes Holly Hill 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 Holly Hill
- 29059