Weather WorldFairfield, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Fairfield Weather Forecast
Fairfield, IL Weather Forecast Date: 147 AM CDT Mon Oct 26 2026
Weather forecast for Fairfield, IL
Tonight Lo: 49°F Lo: 9°C |
Tonight... Mostly cloudy. Lows in the upper 40s. Calm winds. |
Mon Hi: 79°FHi: 26°C Lo: 45°F Lo: 7°C |
Monday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 70s. Southwest winds around 5 mph. |
| Tue Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Tuesday... Mostly sunny in the morning, then becoming mostly cloudy. Highs in the mid 70s. Calm winds, becoming south around 5 mph in the afternoon. |
Wed Hi: 79°FHi: 26°C Lo: 50°F Lo: 10°C |
Wednesday... Sunny. Highs in the upper 70s. |
| Thu Hi: 80°FHi: 27°C Lo: 51°F Lo: 11°C |
Thursday... Sunny. Highs around 80. |
| Fri Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy. Highs in the upper 70s. Lows in the mid 50s. |
| Sat Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Saturday... Mostly cloudy. Highs in the upper 70s. Lows in the mid 50s. |
| Sat Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Saturday... Mostly cloudy. Highs in the upper 70s. Lows in the mid 50s. |
Fairfield Radar Loop
Use the map search tool if you want to place a location marker on the radar map...