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City of Monmouth, ILMonmouth, IL 7-Day Weather Forecast
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Monmouth Weather Forecast
Monmouth, IL Weather Forecast Date: 126 PM CDT Mon Oct 05 2026
Weather forecast for Monmouth, IL
Today Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
This Afternoon... Sunny. Near steady temperature in the lower 70s. Light and variable winds. |
| Tue Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Tuesday... Sunny. Highs in the mid 70s. South winds 10 to 15 mph. |
| Wed Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Wednesday... Sunny. Highs in the upper 70s. West winds 5 to 10 mph. |
| Thu Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Thursday... Mostly clear. Lows in the lower 50s. Highs in the lower 70s. |
Fri Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Friday... Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. |
| Sat Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Saturday... Sunny. Highs in the upper 70s. |
| Sun Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Sunday... Mostly clear. Lows in the upper 50s. Highs in the upper 70s. |
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