McCormick, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
McCormick weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast16%—97°74°—
- MondayJul 6Overcast42%—95°76°-2°
- TuesdayJul 7Drizzle38%—94°71°-1°
- WednesdayJul 8Light Drizzle11%—96°70°+2°
- ThursdayJul 9Clear——100°71°+4°
- FridayJul 10Overcast13%—96°74°-4°
- SaturdayJul 11Partly Cloudy24%—101°75°+5°
AQI 55 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.90 fine-to-coarse ratio and 3 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 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14 around 1 PM.
- Present
- AQI 32
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.90 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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
- 11:43 PM
- Moonset
- 11:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
McCormick at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 29835, 29899
15-Day Forecast — McCormick
- Sun97°74°16%
- Mon95°76°42%
- Tue94°71°38%
- Wed96°70°11%
- Thu100°71°6%
- Fri96°74°13%
- Sat101°75°24%
- Sun98°73°35%
- Mon91°72°28%
- Tue95°69°13%
- Wed92°70°10%
- Thu88°69°34%
- Fri77°69°32%
- Sat89°69°45%
- Sun93°69°37%
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 — McCormick
SPC includes McCormick 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 McCormick
- 29899
- 29835