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 PM Excessive Heat Watch 7:00 PM 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 PM

Charleston, South Carolina

Last updated: 3:41 PM CDT  ·  Refresh
33°C
Feels like 41°
Partly Cloudy
▲ 34°  /  ▼ 26°
Wind
9 mph S
Humidity
62%
Dew Point
26°
Pressure
30.05 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
33%
Sunrise
6:42 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Charleston is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3673 J/kg) — isolated convective development possible. Sunrise: 6:42AM · Sunset: 8:05PM.

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 PM
Excessive Heat Watch
Expires 7:00 PM
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 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
17%
5 PM
32°
5%
6 PM
31°
5%
7 PM
29°
5%
8 PM
29°
5%
9 PM
28°
8%
10 PM
28°
8%
11 PM
28°
8%
12 AM
27°
8%
1 AM
27°
8%
2 AM
27°
8%
3 AM
27°
9%
4 AM
27°
5%
5 AM
26°
5%
6 AM
26°
5%
7 AM
27°
3%
8 AM
28°
9%
9 AM
31°
20%
10 AM
32°
20%
11 AM
33°
23%
12 PM
33°
23%
1 PM
34°
24%
2 PM
34°
24%
3 PM
34°
25%
7-Day Forecast
Today
34° 26°
Mostly Clear.
Sat
37° 26°
Partly Cloudy with a 28% chance of rain.
Sun
37° 26°
Partly Cloudy with a 42% chance of rain.
Mon
39° 28°
Clear with a 44% chance of rain.
Tue
38° 27°
Drizzle, 60% chance.
Wed
38° 25°
Drizzle, 60% chance.
Thu
37° 25°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 17% 9 mph S 62%
5 PM 32° Partly Cloudy 5% 9 mph S 67%
6 PM 31° Mostly Clear 5% 8 mph S 72%
7 PM 29° Mostly Clear 5% 8 mph S 76%
8 PM 29° Clear 5% 9 mph SSW 79%
9 PM 28° Clear 8% 8 mph SSW 81%
10 PM 28° Clear 8% 8 mph SSW 83%
11 PM 28° Clear 8% 8 mph SSW 84%
12 AM 27° Mostly Clear 8% 7 mph SW 85%
1 AM 27° Mostly Clear 8% 7 mph SW 86%
2 AM 27° Mostly Clear 8% 6 mph SW 87%
3 AM 27° Mostly Clear 9% 6 mph SW 87%
4 AM 27° Partly Cloudy 5% 6 mph SW 87%
5 AM 26° Mostly Cloudy 5% 6 mph SW 87%
6 AM 26° Partly Cloudy 5% 6 mph WSW 86%
7 AM 27° Partly Cloudy 3% 6 mph WSW 86%
8 AM 28° Partly Cloudy 9% 6 mph WSW 81%
9 AM 31° Partly Cloudy 20% 5 mph WSW 75%
10 AM 32° Partly Cloudy 20% 5 mph SW 68%
11 AM 33° Partly Cloudy 23% 5 mph SW 64%
12 PM 33° Partly Cloudy 23% 6 mph SW 62%
1 PM 34° Partly Cloudy 24% 6 mph SSW 60%
2 PM 34° Partly Cloudy 24% 7 mph SSW 61%
3 PM 34° Partly Cloudy 25% 8 mph SSW 63%
15-Day Forecast
Today
8/14
Mostly Clear
17%
26°
34°
Sat
8/15
Partly Cloudy
28%
26°
37°
Sun
8/16
Partly Cloudy
42%
26°
37°
Mon
8/17
Clear
44%
28°
39°
Tue
8/18
Drizzle
60%
27°
38°
Wed
8/19
Drizzle
60%
25°
38°
Thu
8/20
Drizzle
60%
25°
37°
Fri
8/21
Drizzle
60%
26°
37°
Sat
8/22
Drizzle
60%
23°
34°
Sun
8/23
Drizzle
60%
24°
33°
Mon
8/24
Drizzle
60%
26°
32°
Tue
8/25
Drizzle
60%
26°
33°
Wed
8/26
Drizzle
60%
26°
34°
Thu
8/27
Drizzle
60%
26°
33°
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 11.1 µg/m³
O3
Ground-level ozone
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 55 Moderate 39 55
Sun 53 Moderate 39 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 Fri Aug 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
SBCAPE4486 J/kg
MLCAPE2877 J/kg
MUCAPE4486 J/kg
SBCIN-5 J/kg
MLCIN-27 J/kg
Lifted Index-8.5
Kinematics
0–6 km Shear9 kt
0–1 km Shear10 kt
Eff. Shear4 kt
0–1 km SRH65
0–3 km SRH94
Eff. SRH94
Storm Motion48° @ 13 kt
0–1 km EHI1.8
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.2
Thermo & Levels
PWAT2.45 in
0–3 km LR7.2 °C/km
700–500 LR5.8 °C/km
Total Totals47.5
LCL916 hPa
LFC894 hPa
EL120 hPa
Freezing Lvl16,581 ft