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Dewitt, IL Weather Tomorrow

Whether you're making plans for tomorrow or later this week, the Dewitt 5 day forecast includes precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Dewitt area.
Updated: Thu Sep 3rd 2026 7:15 AM CDT
Dewitt, IL Weather – 9-3 – Sunny
96° / 74°
Sunny
Dewitt may see a sunny day, with daytime highs of 96°F and overnight lows near 74°F. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 11mph on average and gusts of 23.5mph at 9 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 72% at 8 AM and 36% being its lowest at 3 PM. Barometric pressure is its highest of 29.95inHg at 8 AM, a lowest point of 29.86inHg at 5 PM with an avg 29.91inHg.
Dewitt, IL Weather – 9-4 – Sunny
92° / 78°

Weather Tomorrow

Sunny
It will be sunny in Dewitt, with a high of 92°F and a low of 78°F. Rainfall predicted to have a 57% chance with an estimated 0.07in. Winds will be light at 9mph and gusts of 24.2mph at 5 AM. The humidity will be on the higher side, averaging about 62%, the maximum being 80% at 9 AM and 46% being its lowest at 1 PM. Barometric pressure is its highest of 29.97inHg at 11 AM, a lowest point of 29.89inHg at 5 PM with an avg 29.92inHg.
Dewitt, IL Weather – 9-5 – Light Rain Shower
90° / 73°
Light Rain Shower
Dewitt may see rain showers, with daytime highs of 90°F and overnight lows near 73°F. Rainfall predicted to have a 63% chance with an estimated 0.1in. Wind will be moderate, blowing around 12mph on average and gusts of 17.2mph at 7 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 95% at 8 PM and 50% being its lowest at 3 PM. Barometric pressure is its highest of 29.97inHg at 11 AM, a lowest point of 29.9inHg at 5 PM with an avg 29.93inHg.
Dewitt, IL Weather – 9-6 – Sunny
87° / 68°
Sunny
Daytime highs will reach 87°F with lows dropping to 68°F in Dewitt, where it will be sunny. There's a moderate 44% chance of rainfall with an estimated 0.03in. Winds will be light at 10mph and gusts of 25.8mph at 11 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 95% at 4 AM and 51% being its lowest at 4 PM. Barometric pressure is its highest of 30.04inHg at 9 PM, a lowest point of 29.89inHg at 6 PM with an avg 29.95inHg.
Dewitt, IL Weather – 9-7 – Overcast
88° / 61°
Overcast
Dewitt may see overcast, with daytime highs of 88°F and overnight lows near 61°F. There's a moderate 38% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 12mph on average and gusts of 25.9mph at 11 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 96% at 7 AM and 53% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 9 AM, a lowest point of 29.95inHg at 6 PM with an avg 30.01inHg.
Dewitt, IL Weather – 9-8 – Overcast
96° / 76°
Overcast
Dewitt is set for overcast with temperatures peaking at 96°F and dipping to 76°F. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 16mph on average and gusts of 36.2mph at 11 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 76% at 12 AM and 38% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 1 AM, a lowest point of 29.89inHg at 6 PM with an avg 29.95inHg.

Currently

Sunny 74°F
29.93 inHg.
Barometer
78%
Humidity
SW 12.2 mph
Wind
Sunny

5 Day Forecast Nearby

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