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Grass Lake, IL 7-Day Weather Forecast
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Grass Lake Weather Forecast
Grass Lake, IL Weather Forecast Date: 1212 AM CDT Fri Oct 02 2026
Weather forecast for Grass Lake, IL
Tonight Lo: 60°F Lo: 16°C |
Tonight... Mostly cloudy with a 50% chance of showers. Cooler. Near steady temperature around 60. North winds 5 to 10 mph with gusts up to 20 mph. |
Fri Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Friday... Mostly sunny. Cooler with highs in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph. |
| Sat Hi: 70°FHi: 21°C Lo: 49°F Lo: 9°C |
Saturday... Sunny. Highs around 70. East winds around 5 mph. |
| Sun Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Sunday... Sunny. Highs in the mid 70s. |
| Mon Hi: 70°FHi: 21°C Lo: 45°F Lo: 7°C |
Monday... Clear. Lows in the mid 40s. Highs around 70. |
| Mon Hi: 70°FHi: 21°C Lo: 49°F Lo: 9°C |
Monday... Clear. Lows in the mid 40s. Highs around 70. |
| Tue Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Tuesday... Mostly clear. Highs in the lower 70s. Lows in the upper 40s. |
| Wed Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly clear. Highs in the upper 70s. Lows in the lower 50s. |
| Thu Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Thursday... Mostly clear. Highs in the upper 70s. Lows in the lower 50s. |
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