Mount Pleasant, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Mount Pleasant weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle22%—93°77°—
- MondayJul 6Overcast13%—94°79°+1°
- TuesdayJul 7Drizzle26%—94°80°0°
- WednesdayJul 8Light Drizzle26%—95°80°+1°
- ThursdayJul 9Overcast18%—97°80°+2°
- FridayJul 10Overcast18%—96°81°-1°
- SaturdayJul 11Partly Cloudy39%—94°81°-2°
AQI 24 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.80 fine-to-coarse ratio and 1 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 during the projected peak around 5 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 31 now. With UV 0.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 31
- UV peak
- 0.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.80 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.80
- 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
- 11:32 PM
- Moonset
- 11:32 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Mount Pleasant at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 29464, 29466
15-Day Forecast — Mount Pleasant
- Sun93°77°22%
- Mon94°79°13%
- Tue94°80°26%
- Wed95°80°26%
- Thu97°80°18%
- Fri96°81°18%
- Sat94°81°39%
- Sun94°80°49%
- Mon92°74°40%
- Tue90°70°30%
- Wed90°74°17%
- Thu90°74°43%
- Fri89°74°42%
- Sat86°75°55%
- Sun87°76°31%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Mount Pleasant
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 — Mount Pleasant
SPC includes Mount Pleasant 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 Mount Pleasant
- 29466
- 29464
- 29465