Weather WorldSummersville, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Summersville Weather Forecast
Summersville, IL Weather Forecast Date: 132 PM CDT Mon Oct 26 2026
Weather forecast for Summersville, IL
Today Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
This Afternoon... Partly sunny. Near steady temperature in the mid 70s. Southwest winds around 5 mph. |
| Tue Hi: 75°FHi: 24°C Lo: 50°F Lo: 10°C |
Tuesday... Mostly sunny in the morning, then becoming mostly cloudy. Highs in the mid 70s. South winds around 5 mph. |
Wed Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Wednesday... Sunny. Highs in the upper 70s. South winds 5 to 10 mph. |
| Thu Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Thursday... Sunny. Highs in the lower 80s. |
| Fri Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Friday... Mostly cloudy. Highs around 80. Lows in the upper 50s. |
Sat Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Saturday... Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30%. |
| Sun Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Sunday... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s. Highs in the mid 70s. |
Summersville Radar Loop
Use the map search tool if you want to place a location marker on the radar map...