Charleston International Airport (CHS) 15 Day Weather Forecast, Charleston United States

Current weather conditions and 15 day weather forecast for Charleston International Airport in Charleston, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.

Current weather conditions at CHS

12 September 2026 Sat
25.4 ° C
( 77.7°F )

Moderate rain
Moderate rain
Feels Like : 29.4 ° C / 84.9°F
Humidity : % 92
Pressure : 1015 mb
Wind Speed : 6.5 kmph / 4 miles from SSWSSW
Visibility : 10 km
Precipitation (rainfall) : 7.32 mm
Cloud (%) : 100

15-day weather forecast for Charleston International Airport, Charleston, United States

Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
12 September 2026 Sat Moderate rain Moderate rain 24.5 ° C 32.8 ° C 27.4 ° C % 78 14.4 km/h 83%
13 September 2026 Sun Overcast Overcast 24.4 ° C 34.6 ° C 28.4 ° C % 71 12.6 km/h 60%
14 September 2026 Mon Sunny Sunny 24.9 ° C 37.1 ° C 30.5 ° C % 60 11.5 km/h 6%
15 September 2026 Tue Cloudy Cloudy 22.5 ° C 30.8 ° C 26.7 ° C % 65 17.3 km/h 17%
16 September 2026 Wed Sunny Sunny 19.6 ° C 29.9 ° C 24.1 ° C % 58 14 km/h 5%
17 September 2026 Thu Sunny Sunny 19.5 ° C 31.1 ° C 24.7 ° C % 68 16.9 km/h 7%
18 September 2026 Fri Overcast Overcast 22.6 ° C 32.3 ° C 26.3 ° C % 75 11.5 km/h 32%
19 September 2026 Sat Patchy rain nearby Patchy rain nearby 24.3 ° C 33.8 ° C 27.6 ° C % 74 10.1 km/h 36%
20 September 2026 Sun Light rain shower Light rain shower 23 ° C 30.2 ° C 25.6 ° C % 83 13.7 km/h 86%
21 September 2026 Mon Light rain shower Light rain shower 19.1 ° C 22.9 ° C 21.3 ° C % 95 23 km/h 93%
22 September 2026 Tue Overcast Overcast 18.2 ° C 23.1 ° C 19.8 ° C % 77 22 km/h 22%
23 September 2026 Wed Sunny Sunny 16.5 ° C 26.5 ° C 20.9 ° C % 62 9.4 km/h 7%
24 September 2026 Thu Sunny Sunny 17.3 ° C 28.2 ° C 22 ° C % 63 10.1 km/h 4%
25 September 2026 Fri Sunny Sunny 19.2 ° C 29.4 ° C 23.2 ° C % 61 14 km/h 4%
Weather forecasts are usually fully updated every 3 hours.

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