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City of Fairbury, ILFairbury, IL 7-Day Weather Forecast
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Fairbury Weather Forecast
Fairbury, IL Weather Forecast Date: 851 PM CDT Wed Oct 21 2026
Weather forecast for Fairbury, IL
Tonight Lo: 45°F Lo: 7°C |
Tonight... Clear. Lows in the mid 40s. Light and variable winds. |
Thu Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Thursday... Sunny. Highs in the mid 70s. Light and variable winds, becoming north around 5 mph in the afternoon. |
| Fri Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Friday... Mostly sunny. Highs in the mid 70s. Southeast winds around 5 mph. |
Sat Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Saturday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s. |
Sun Hi: 79°FHi: 26°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy. Highs in the upper 70s. |
| Mon Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Monday... Mostly cloudy. Highs in the mid 70s. |
| Tue Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Tuesday... Mostly cloudy. Highs in the upper 60s. |
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