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Allerton, IL 7-Day Weather Forecast
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Allerton Weather Forecast
Allerton, IL Weather Forecast Date: 937 AM CDT Wed Sep 16 2026
Weather forecast for Allerton, IL
Today Hi: 89°FHi: 32°C Lo: 70°F Lo: 21°C |
Rest of Today... Mostly cloudy late this morning, then becoming partly sunny. A chance of showers and thunderstorms late this morning, then a slight chance of showers this afternoon. Highs in the upper 80s. Southeast winds around 5 mph, becoming west this afternoon. Chance of rain 50%. |
| Thu Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Thursday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Humid with highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 50%. |
Fri Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Friday... Mostly sunny. Highs in the mid 80s. East winds around 5 mph. |
Sat Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Saturday... Partly cloudy. Lows in the mid 60s. Highs in the lower 90s. |
Sun Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Sunday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 50%. |
| Mon Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Monday... Mostly cloudy. A chance of showers. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 40%. |
| Tue Hi: 79°FHi: 26°C |
Tuesday... Mostly sunny. Highs in the upper 70s. |
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