Weather WorldSummerville, IL 7-Day Weather Forecast
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Summerville Weather Forecast
Summerville, IL Weather Forecast Date: 853 PM CDT Sat Oct 03 2026
Weather forecast for Summerville, IL
Tonight Lo: 45°F Lo: 7°C |
Tonight... Partly cloudy this evening, then clearing. Lows in the mid 40s. Southeast winds around 5 mph this evening, becoming light and variable. |
Sun Hi: 79°FHi: 26°C Lo: 49°F Lo: 9°C |
Sunday... Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph. |
| Mon Hi: 71°FHi: 22°C Lo: 45°F Lo: 7°C |
Monday... Sunny. Highs in the lower 70s. Northeast winds around 5 mph. |
| Tue Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Tuesday... Sunny. Highs in the upper 70s. |
| Wed Hi: 81°FHi: 27°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly clear. Lows in the lower 50s. Highs in the lower 80s. |
| Thu Hi: 81°FHi: 27°C Lo: 51°F Lo: 11°C |
Thursday... Mostly clear. Lows in the lower 50s. Highs in the lower 80s. |
| Thu Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Thursday... Mostly clear. Lows in the lower 50s. Highs in the lower 80s. |
| Fri Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Friday... Clear. Highs in the lower 80s. Lows in the mid 50s. |
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