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City of Newton, ILNewton, IL 7-Day Weather Forecast
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Newton Weather Forecast
Newton, IL Weather Forecast Date: 412 AM CDT Tue Sep 15 2026
Weather forecast for Newton, IL
Today Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Today... Sunny, warmer with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 104 this afternoon. |
Wed Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Wednesday... Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the mid 90s. East winds around 5 mph, becoming southwest around 5 mph in the afternoon. Chance of rain 40%. Heat index values up to 102. |
| Thu Hi: 95°FHi: 35°C Lo: 70°F Lo: 21°C |
Thursday... Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph, becoming northwest in the afternoon. Heat index values up to 103. |
Fri Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Friday... Partly cloudy. Lows around 70. Highs in the lower 90s. |
| Sat Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Saturday... Partly cloudy. Highs in the lower 90s. Lows in the upper 60s. |
Sun Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Sunday... Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30%. |
Mon Hi: 79°FHi: 26°C |
Monday... Partly sunny. Highs in the upper 70s. |
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