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
| 13 December 2025 Sat 17.8 ° C ( 64°F )  Sunny |
Feels Like : 17.8 ° C / 64°F Humidity : % 56 Pressure : 1023 mb Wind Speed : 9.4 kmph / 5.8 miles from WSW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 13 December 2025 Sat | Sunny |
2.8 ° C | 18.4 ° C | 10.7 ° C | % 79 | 12.6 km/h | 0% |
| 14 December 2025 Sun |  Cloudy |
2.9 ° C | 16.6 ° C | 12.2 ° C | % 75 | 24.8 km/h | 0% |
| 15 December 2025 Mon | Sunny |
-4.2 ° C | 6.3 ° C | 0.7 ° C | % 38 | 21.6 km/h | 0% |
| 16 December 2025 Tue | Sunny |
1 ° C | 13.8 ° C | 6.2 ° C | % 57 | 9.7 km/h | 0% |
| 17 December 2025 Wed | Sunny |
6 ° C | 17.7 ° C | 9.3 ° C | % 76 | 8.6 km/h | 0% |
| 18 December 2025 Thu | Sunny |
11.3 ° C | 21.7 ° C | 15.5 ° C | % 78 | 10.8 km/h | 0% |
| 19 December 2025 Fri | Sunny |
13.1 ° C | 22.6 ° C | 17.1 ° C | % 75 | 7.6 km/h | 0% |
| 20 December 2025 Sat |  Overcast |
14.3 ° C | 21.4 ° C | 17.6 ° C | % 79 | 7.2 km/h | 0% |
| 21 December 2025 Sun |  Patchy rain nearby |
17.5 ° C | 21.3 ° C | 19 ° C | % 87 | 14 km/h | 86% |
| 22 December 2025 Mon |  Fog |
16.8 ° C | 25.1 ° C | 20.1 ° C | % 84 | 7.9 km/h | 0% |
| 23 December 2025 Tue | Sunny |
17.7 ° C | 25.7 ° C | 20.8 ° C | % 85 | 12.2 km/h | 0% |
| 24 December 2025 Wed | Fog |
18.2 ° C | 26 ° C | 21 ° C | % 85 | 10.8 km/h | 0% |
| 25 December 2025 Thu |  Partly Cloudy |
17.6 ° C | 25.2 ° C | 20.2 ° C | % 84 | 11.9 km/h | 0% |
| 26 December 2025 Fri | Cloudy |
18.6 ° C | 23.6 ° C | 20.5 ° C | % 78 | 11.2 km/h | 0% |
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