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City of Mattoon, IllinoisMattoon, IL 7-Day Weather Forecast
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Mattoon Weather Forecast
Mattoon, IL Weather Forecast Date: 1037 AM CDT Mon Oct 26 2026
Weather forecast for Mattoon, IL
Today Hi: 79°FHi: 26°C Lo: 49°F Lo: 9°C |
Rest of Today... Partly sunny. Highs in the upper 70s. South winds around 5 mph. |
Tue Hi: 75°FHi: 24°C Lo: 50°F Lo: 10°C |
Tuesday... Mostly sunny. Highs in the mid 70s. South winds 5 to 10 mph. |
| Wed Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly sunny. Highs in the mid 70s. South winds 5 to 10 mph. |
| Thu Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Thursday... Mostly clear. Lows in the lower 50s. Highs around 80. |
| Fri Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy. Highs in the upper 70s. Lows in the mid 50s. |
| Sat Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Saturday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. |
Sun Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Sunday... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s. Highs in the lower 70s. |
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