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: 5:12 PM CDT  ·  Refresh
32°C
Feels like 41°
Partly Cloudy
▲ 34°  /  ▼ 26°
Wind
9 mph S
Humidity
73%
Dew Point
27°
Pressure
30.04 inHg
Visibility
10 mi
UV Index
4.8
Cloud Cover
32%
Sunrise
6:42 AM
Sunset
8:05 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Charleston is currently partly cloudy at 32°C. Precipitation is likely — peak probability 52% around 6 PM. Atmospheric instability is elevated (CAPE up to 3510 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
32°
9%
7 PM
29°
9%
8 PM
29°
9%
9 PM
28°
9%
10 PM
28°
12%
11 PM
27°
12%
12 AM
27°
12%
1 AM
27°
9%
2 AM
27°
8%
3 AM
26°
8%
4 AM
26°
5%
5 AM
26°
5%
6 AM
26°
8%
7 AM
26°
8%
8 AM
26°
12%
9 AM
27°
23%
10 AM
30°
28%
11 AM
31°
34%
12 PM
32°
32%
1 PM
32°
32%
2 PM
34°
33%
3 PM
33°
38%
4 PM
34°
43%
5 PM
34°
49%
7-Day Forecast
Tonight
34° 26°
Partly Cloudy.
Sat
37° 26°
Mostly Cloudy with a 52% chance of rain.
Sun
37° 26°
Partly Cloudy with a 60% chance of rain.
Mon
39° 26°
Clear with a 37% chance of rain.
Tue
38° 26°
Drizzle, 55% chance.
Wed
37° 26°
Rain, 78% chance.
Thu
37° 26°
Drizzle, 67% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 9% 9 mph S 73%
7 PM 29° Mostly Clear 9% 8 mph SSW 75%
8 PM 29° Partly Cloudy 9% 8 mph SSW 79%
9 PM 28° Partly Cloudy 9% 8 mph SSW 80%
10 PM 28° Partly Cloudy 12% 8 mph SSW 82%
11 PM 27° Partly Cloudy 12% 8 mph SSW 84%
12 AM 27° Mostly Clear 12% 7 mph SW 85%
1 AM 27° Partly Cloudy 9% 7 mph SW 85%
2 AM 27° Mostly Clear 8% 7 mph SW 85%
3 AM 26° Partly Cloudy 8% 6 mph SW 85%
4 AM 26° Partly Cloudy 5% 6 mph WSW 85%
5 AM 26° Partly Cloudy 5% 6 mph WSW 85%
6 AM 26° Partly Cloudy 8% 6 mph WSW 84%
7 AM 26° Partly Cloudy 8% 5 mph WSW 84%
8 AM 26° Partly Cloudy 12% 5 mph WSW 82%
9 AM 27° Partly Cloudy 23% 5 mph WSW 77%
10 AM 30° Partly Cloudy 28% 4 mph WSW 72%
11 AM 31° Mostly Cloudy 34% 4 mph SW 68%
12 PM 32° Partly Cloudy 32% 5 mph SW 64%
1 PM 32° Partly Cloudy 32% 6 mph SSW 62%
2 PM 34° Partly Cloudy 33% 6 mph SSW 60%
3 PM 33° Mostly Cloudy 38% 7 mph SSW 62%
4 PM 34° Mostly Cloudy 43% 8 mph SSW 65%
5 PM 34° Overcast 49% 9 mph S 68%
15-Day Forecast
Today
8/14
Partly Cloudy
9%
26°
34°
Sat
8/15
Mostly Cloudy
52%
26°
37°
Sun
8/16
Partly Cloudy
60%
26°
37°
Mon
8/17
Clear
37%
26°
39°
Tue
8/18
Drizzle
55%
26°
38°
Wed
8/19
Rain
78%
26°
37°
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°
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, 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
SBCAPE4706 J/kg
MLCAPE2689 J/kg
MUCAPE4706 J/kg
SBCIN-35 J/kg
MLCIN-54 J/kg
Lifted Index-8.0
Kinematics
0–6 km Shear15 kt
0–1 km Shear7 kt
Eff. Shear10 kt
0–1 km SRH49
0–3 km SRH96
Eff. SRH96
Storm Motion102° @ 14 kt
0–1 km EHI1.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.7
Thermo & Levels
PWAT2.28 in
0–3 km LR6.6 °C/km
700–500 LR5.6 °C/km
Total Totals45.8
LCL943 hPa
LFC886 hPa
EL119 hPa
Freezing Lvl16,552 ft