🇺🇸 Weather in Charleston
Map Overlays:
Hourly Forecast for Charleston
15:00
29°
1%
16:00
29°
1%
17:00
28°
1%
18:00
27°
1%
19:00
26°
2%
20:00
26°
2%
21:00
26°
2%
22:00
25°
2%
23:00
25°
2%
00:00
24°
3%
01:00
23°
2%
02:00
23°
2%
03:00
22°
4%
04:00
22°
4%
05:00
22°
5%
06:00
22°
12%
07:00
23°
4%
08:00
24°
2%
09:00
25°
1%
10:00
26°
1%
11:00
27°
1%
12:00
28°
1%
13:00
29°
1%
14:00
29°
1%
14-Day Forecast for Charleston
2026-06-06
Sunny
29° /
22°
2026-06-07
Sunny
30° /
22°
2026-06-08
Partly Cloudy
29° /
22°
2026-06-09
Patchy rain nearby
30° /
24°
2026-06-10
Sunny
30° /
23°
2026-06-11
Sunny
31° /
23°
2026-06-12
Partly Cloudy
31° /
24°
Additional Forecasts for Charleston
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 110.0 μg/m³
O₃ (Ozone) 113.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.8 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 7.6 μg/m³
PM10 (Coarse particles) 11.0 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Charleston — FAQ
Answers refreshed each request based on current conditions in Charleston.
What is the weather like right now in Charleston?
Right now in Charleston, United States the temperature is 28.4°C (feels like 30.4°C), with sunny. Relative humidity is 62% and wind is 18.4 km/h.
What is today's high and low temperature in Charleston?
Today's forecast high in Charleston is 29.4°C and the overnight low is 21.7°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Charleston today?
The chance of precipitation in Charleston today is 2%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Charleston differ from nearby cities?
Even short distances can change temperatures noticeably. Charleston's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.