Extreme Heat Warning — Inland Bryan, GA, Coastal Bryan, GA, Inland Chatham, GA, Coastal Chatham, GA, Inland Liberty, GA, Coastal Liberty, GA, Inland McIntosh, GA, Coastal McIntosh, GA, Inland Berkeley, SC, Inland Jasper, SC, Beaufort, SC, Coastal Colleton, SC, Charleston, SC, Coastal Jasper, SC, Tidal Berkeley, SC 7:00 p. m. Excessive Heat Watch 7:00 p. m. Extreme Heat Warning — Inland Bryan, GA, Coastal Bryan, GA, Inland Chatham, GA, Coastal Chatham, GA, Inland Liberty, GA, Coastal Liberty, GA, Inland McIntosh, GA, Coastal McIntosh, GA, Inland Berkeley, SC, Inland Jasper, SC, Beaufort, SC, Coastal Colleton, SC, Charleston, SC, Coastal Jasper, SC, Tidal Berkeley, SC 7:00 p. m.

Charleston, South Carolina

Last updated: 3:40 p. m. CDT  ·  Refresh
34°C
Feels like 43°
Partly Cloudy
▲ 34°  /  ▼ 26°
Wind
9 mph SSW
Humidity
60%
Dew Point
25°
Pressure
30,04 inHg
Visibility
10 mi
UV Index
7,2
Cloud Cover
33%
Sunrise
6:42 a. m.
Sunset
8:05 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Charleston is currently partly cloudy at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3662 J/kg) — isolated convective development possible. Sunrise: 6:42A. M. · Sunset: 8:05P. M..

Alerts

Extreme Heat Warning
Inland Bryan, GA, Coastal Bryan, GA, Inland Chatham, GA, Coastal Chatham, GA, Inland Liberty, GA, Coastal Liberty, GA, Inland McIntosh, GA, Coastal McIntosh, GA, Inland Berkeley, SC, Inland Jasper, SC, Beaufort, SC, Coastal Colleton, SC, Charleston, SC, Coastal Jasper, SC, Tidal Berkeley, SC
Expires 7:00 p. m.
Excessive Heat Watch
Expires 7:00 p. m.
Extreme Heat Warning
Inland Bryan, GA, Coastal Bryan, GA, Inland Chatham, GA, Coastal Chatham, GA, Inland Liberty, GA, Coastal Liberty, GA, Inland McIntosh, GA, Coastal McIntosh, GA, Inland Berkeley, SC, Inland Jasper, SC, Beaufort, SC, Coastal Colleton, SC, Charleston, SC, Coastal Jasper, SC, Tidal Berkeley, SC
Expires 7:00 p. m.
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
23%
5 p. m.
32°
5%
6 p. m.
31°
5%
7 p. m.
30°
5%
8 p. m.
29°
5%
9 p. m.
28°
8%
10 p. m.
28°
8%
11 p. m.
28°
8%
12 a. m.
27°
8%
1 a. m.
27°
8%
2 a. m.
27°
8%
3 a. m.
27°
9%
4 a. m.
27°
5%
5 a. m.
26°
5%
6 a. m.
26°
5%
7 a. m.
27°
3%
8 a. m.
28°
9%
9 a. m.
31°
20%
10 a. m.
32°
20%
11 a. m.
33°
23%
12 p. m.
33°
23%
1 p. m.
34°
24%
2 p. m.
34°
24%
3 p. m.
34°
25%
7-Day Forecast
Today
34° 26°
Mostly Clear with a 23% chance of rain.
Sat
37° 26°
Partly Cloudy with a 35% chance of rain.
Sun
37° 26°
Partly Cloudy with a 34% chance of rain.
Mon
39° 28°
Clear with a 46% chance of rain.
Tue
39° 27°
Drizzle, 60% chance.
Wed
38° 25°
Drizzle, 60% chance.
Thu
38° 25°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Partly Cloudy 23% 9 mph SSW 60%
5 p. m. 32° Partly Cloudy 5% 10 mph S 65%
6 p. m. 31° Mostly Clear 5% 9 mph S 70%
7 p. m. 30° Mostly Clear 5% 8 mph S 75%
8 p. m. 29° Mostly Clear 5% 8 mph SSW 78%
9 p. m. 28° Clear 8% 8 mph SSW 80%
10 p. m. 28° Clear 8% 8 mph SSW 82%
11 p. m. 28° Clear 8% 8 mph SSW 84%
12 a. m. 27° Mostly Clear 8% 7 mph SSW 84%
1 a. m. 27° Mostly Clear 8% 6 mph SW 85%
2 a. m. 27° Mostly Clear 8% 6 mph SW 86%
3 a. m. 27° Mostly Clear 9% 6 mph SW 87%
4 a. m. 27° Partly Cloudy 5% 5 mph SW 87%
5 a. m. 26° Mostly Cloudy 5% 5 mph SW 87%
6 a. m. 26° Partly Cloudy 5% 5 mph SW 86%
7 a. m. 27° Partly Cloudy 3% 5 mph WSW 86%
8 a. m. 28° Partly Cloudy 9% 5 mph WSW 81%
9 a. m. 31° Partly Cloudy 20% 5 mph WSW 74%
10 a. m. 32° Partly Cloudy 20% 5 mph WSW 67%
11 a. m. 33° Partly Cloudy 23% 5 mph SW 64%
12 p. m. 33° Partly Cloudy 23% 5 mph SW 62%
1 p. m. 34° Partly Cloudy 24% 6 mph SSW 60%
2 p. m. 34° Partly Cloudy 24% 6 mph SSW 61%
3 p. m. 34° Partly Cloudy 25% 7 mph SSW 62%
15-Day Forecast
Today
8/14
Mostly Clear
23%
26°
34°
Sat
8/15
Partly Cloudy
35%
26°
37°
Sun
8/16
Partly Cloudy
34%
26°
37°
Mon
8/17
Clear
46%
28°
39°
Tue
8/18
Drizzle
60%
27°
39°
Wed
8/19
Drizzle
60%
25°
38°
Thu
8/20
Drizzle
60%
25°
38°
Fri
8/21
Drizzle
60%
26°
37°
Sat
8/22
Drizzle
60%
23°
34°
Sun
8/23
Drizzle
60%
24°
34°
Mon
8/24
Drizzle
60%
26°
33°
Tue
8/25
Drizzle
60%
26°
34°
Wed
8/26
Drizzle
60%
26°
34°
Thu
8/27
Drizzle
60%
26°
34°
Fri
8/28
Drizzle
60%
25°
33°
55
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
55 AQI 11.2 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 55 Moderate 40 55
Sun 53 Moderate 40 53
Mon 56 Moderate 43 56
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid vie. ago. 14, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3982 J/kg
MLCAPE3071 J/kg
MUCAPE3982 J/kg
SBCIN-0 J/kg
MLCIN-21 J/kg
Lifted Index-7.9
Kinematics
0–6 km Shear8 kt
0–1 km Shear8 kt
Eff. Shear4 kt
0–1 km SRH51
0–3 km SRH88
Eff. SRH88
Storm Motion58° @ 13 kt
0–1 km EHI1.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.2
Thermo & Levels
PWAT2.49 in
0–3 km LR7.5 °C/km
700–500 LR5.8 °C/km
Total Totals47.7
LCL890 hPa
LFC897 hPa
EL123 hPa
Freezing Lvl16,578 ft