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: 5:10 p. m. CDT  ·  Refresh
33°C
Feels like 43°
Partly Cloudy
▲ 34°  /  ▼ 26°
Wind
9 mph SSW
Humidity
71%
Dew Point
26°
Pressure
30,03 inHg
Visibility
10 mi
UV Index
4,9
Cloud Cover
34%
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 33°C. Precipitation is likely — peak probability 56% around 6 p. m.. Atmospheric instability is elevated (CAPE up to 3498 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
33°
26%
7 p. m.
31°
9%
8 p. m.
29°
9%
9 p. m.
29°
9%
10 p. m.
28°
12%
11 p. m.
28°
12%
12 a. m.
27°
12%
1 a. m.
27°
12%
2 a. m.
27°
8%
3 a. m.
27°
8%
4 a. m.
26°
8%
5 a. m.
26°
5%
6 a. m.
26°
8%
7 a. m.
26°
8%
8 a. m.
26°
11%
9 a. m.
27°
19%
10 a. m.
30°
28%
11 a. m.
31°
39%
12 p. m.
32°
42%
1 p. m.
32°
49%
2 p. m.
34°
50%
3 p. m.
33°
50%
4 p. m.
34°
56%
5 p. m.
34°
56%
7-Day Forecast
Tonight
34° 26°
Partly Cloudy with a 26% chance of rain.
Sat
37° 26°
Mostly Cloudy with a 56% chance of rain.
Sun
37° 26°
Partly Cloudy with a 40% chance of rain.
Mon
39° 26°
Clear with a 37% chance of rain.
Tue
38° 26°
Drizzle, 55% chance.
Wed
36° 26°
Rain, 78% chance.
Thu
37° 26°
Drizzle, 67% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 26% 9 mph SSW 71%
7 p. m. 31° Partly Cloudy 9% 9 mph SSW 73%
8 p. m. 29° Partly Cloudy 9% 8 mph SSW 77%
9 p. m. 29° Mostly Cloudy 9% 8 mph SSW 79%
10 p. m. 28° Partly Cloudy 12% 8 mph SSW 81%
11 p. m. 28° Partly Cloudy 12% 8 mph SSW 83%
12 a. m. 27° Mostly Clear 12% 7 mph SW 84%
1 a. m. 27° Partly Cloudy 12% 6 mph SW 84%
2 a. m. 27° Partly Cloudy 8% 6 mph SW 84%
3 a. m. 27° Partly Cloudy 8% 6 mph SW 84%
4 a. m. 26° Partly Cloudy 8% 6 mph SW 85%
5 a. m. 26° Partly Cloudy 5% 5 mph WSW 85%
6 a. m. 26° Partly Cloudy 8% 5 mph WSW 84%
7 a. m. 26° Partly Cloudy 8% 5 mph WSW 84%
8 a. m. 26° Partly Cloudy 11% 5 mph WSW 82%
9 a. m. 27° Partly Cloudy 19% 5 mph WSW 77%
10 a. m. 30° Partly Cloudy 28% 4 mph WSW 72%
11 a. m. 31° Mostly Cloudy 39% 4 mph SW 67%
12 p. m. 32° Partly Cloudy 42% 5 mph SW 64%
1 p. m. 32° Partly Cloudy 49% 5 mph SSW 61%
2 p. m. 34° Partly Cloudy 50% 6 mph SSW 60%
3 p. m. 33° Mostly Cloudy 50% 6 mph SSW 62%
4 p. m. 34° Mostly Cloudy 56% 7 mph SSW 64%
5 p. m. 34° Overcast 56% 8 mph S 66%
15-Day Forecast
Today
8/14
Partly Cloudy
26%
26°
34°
Sat
8/15
Mostly Cloudy
56%
26°
37°
Sun
8/16
Partly Cloudy
40%
26°
37°
Mon
8/17
Clear
37%
26°
39°
Tue
8/18
Drizzle
55%
26°
38°
Wed
8/19
Rain
78%
26°
36°
Thu
8/20
Drizzle
67%
26°
37°
Fri
8/21
Drizzle
63%
26°
34°
Sat
8/22
Drizzle
68%
23°
33°
Sun
8/23
Drizzle
68%
23°
33°
Mon
8/24
Drizzle
67%
24°
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%
26°
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4326 J/kg
MLCAPE2675 J/kg
MUCAPE4326 J/kg
SBCIN-29 J/kg
MLCIN-50 J/kg
Lifted Index-7.5
Kinematics
0–6 km Shear15 kt
0–1 km Shear7 kt
Eff. Shear10 kt
0–1 km SRH42
0–3 km SRH94
Eff. SRH94
Storm Motion107° @ 14 kt
0–1 km EHI1.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.6
Thermo & Levels
PWAT2.27 in
0–3 km LR6.9 °C/km
700–500 LR5.6 °C/km
Total Totals46.4
LCL921 hPa
LFC879 hPa
EL120 hPa
Freezing Lvl16,552 ft