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Greene County Weather Forecast
Greene County, IL Weather Forecast Date: 127 AM CDT Thu Oct 15 2026
Weather forecast for Greene County, IL
Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly cloudy with a 30% chance of showers. Near steady temperature in the mid 60s. East winds around 5 mph. |
Thu Hi: 79°FHi: 26°C Lo: 45°F Lo: 7°C |
Thursday... Patchy fog in the morning. A chance of thunderstorms. Showers. Highs in the upper 70s. Southeast winds 5 to 10 mph, becoming south with gusts up to 20 mph in the afternoon. Chance of rain 90%. |
Fri Hi: 55°FHi: 13°C Lo: 35°F Lo: 2°C |
Friday... Partly sunny. Isolated showers in the afternoon. Much cooler with highs in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20%. |
Sat Hi: 60°FHi: 16°C Lo: 35°F Lo: 2°C |
Saturday... Clear. Highs around 60. Lows in the mid 30s. |
| Sun Hi: 69°FHi: 21°C Lo: 40°F Lo: 4°C |
Sunday... Sunny. Highs in the upper 60s. |
Mon Hi: 71°FHi: 22°C Lo: 40°F Lo: 4°C |
Monday... Partly cloudy. Highs in the lower 70s. Lows around 40. |
| Tue Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Tuesday... Mostly clear. Highs in the mid 70s. Lows in the mid 40s. |
| Wed Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly clear. Highs in the mid 70s. Lows in the mid 40s. |
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