Charleston High School, IL 7-Day Weather Forecast
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Charleston High School Weather Forecast


Charleston High School, IL Weather Forecast Date: 128 PM CDT Fri Aug 14 2026
Weather forecast for Charleston High School, IL
| Today Hi: 85°FHi: 29°C Lo: 71°F Lo: 22°C |
This Afternoon... Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms May produce heavy rainfall. Highs in the mid 80s. South winds around 5 mph. Chance of rain 50%. |
| Sat Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Saturday... Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 30%. Heat index values up to 108. |
| Sun Hi: 91°FHi: 33°C Lo: 61°F Lo: 16°C |
Sunday... Partly sunny. Humid with highs in the lower 90s. West winds 5 to 10 mph. Heat index values up to 102. |
| Mon Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Monday... Partly cloudy. Highs in the mid 80s. Lows in the lower 60s. |
| Tue Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Tuesday... Mostly clear. Highs in the mid 80s. Lows in the upper 60s. |
| Wed Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Wednesday... Partly sunny. Highs in the upper 80s. |
| Thu Hi: 81°FHi: 27°C |
Thursday... Partly sunny. Highs in the lower 80s. |
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