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Evanston, IL Weather Tomorrow

Whether you're planning work or travel, tomorrow's Evanston weather and 5 day forecast offer daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Evanston area and around Cook county, Illinois.
Updated: Fri Sep 11th 2026 3:00 AM CDT
Evanston, IL Weather – 9-11 – Sunny
78° / 60°
Sunny
Daytime highs will reach 78°F with lows dropping to 60°F in Evanston, where it will be sunny. There's a very small chance of rainfall, only about 4%. Winds will be light at 8mph and gusts of 15.7mph at 11 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 90% at 4 AM and 33% being its lowest at 2 PM. Barometric pressure is its highest of 30.03inHg at 5 AM, a lowest point of 29.9inHg at 10 PM with an avg 29.98inHg.
Evanston, IL Weather – 9-12 – Sunny
85° / 67°

Weather Tomorrow

Sunny
Evanston could see sunshine with daytime highs of 85°F and nighttime lows near 67°F. There might be light rainfall having a 17% chance with an estimated 0.01in. Wind will be moderate, blowing around 11mph on average and gusts of 19mph at 2 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 89% at 7 AM and 40% being its lowest at 3 PM. Barometric pressure is its highest of 29.91inHg at 10 PM, a lowest point of 29.83inHg at 3 PM with an avg 29.88inHg.
Evanston, IL Weather – 9-13 – Overcast
75° / 65°
Overcast
Skies will be overcast in Evanston, with a high of 75°F and a low of 65°F. Rainfall predicted to have a 73% chance with an estimated 0.13in. Wind will be moderate, blowing around 12mph on average and gusts of 16.6mph at 1 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 94% at 6 AM and 52% being its lowest at 5 PM. Barometric pressure is its highest of 30.13inHg at 9 PM, a lowest point of 29.92inHg at 12 AM with an avg 30.04inHg.
Evanston, IL Weather – 9-14 – Overcast
75° / 62°
Overcast
Evanston is set for overcast with temperatures peaking at 75°F and dipping to 62°F. Rainfall predicted to have a 59% chance with an estimated 0.05in. Wind will be moderate, blowing around 12mph on average and gusts of 37.8mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 88% at 10 PM and 59% being its lowest at 11 AM. Barometric pressure is its highest of 30.18inHg at 8 AM, a lowest point of 29.9inHg at 11 PM with an avg 30.08inHg.
Evanston, IL Weather – 9-15 – Scattered Showers
86° / 71°
Scattered Showers
Evanston could see scattered showers with daytime highs of 86°F and nighttime lows near 71°F. Rainfall predicted to have a 75% chance with an estimated 0.27in. Wind will be moderate, blowing around 15mph on average and gusts of 40.7mph at 3 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 95% at 11 PM and 54% being its lowest at 3 AM. Barometric pressure is its highest of 30.04inHg at 11 PM, a lowest point of 29.86inHg at 3 AM with an avg 29.97inHg.
Evanston, IL Weather – 9-16 – Light Rain Shower
70° / 63°
Light Rain Shower
Evanston could see rain with daytime highs of 70°F and nighttime lows near 63°F. The chance of rain is 92% with an estimated 0.62in. Wind will be moderate, blowing around 12mph on average and gusts of 20.6mph at 7 PM. High humidity with average of 92% is anticipated, the maximum being 99% at 4 AM and 84% being its lowest at 2 PM. Barometric pressure is its highest of 30.2inHg at 10 PM, a lowest point of 30.05inHg at 12 AM with an avg 30.14inHg.

Currently

Clear 62°F
30.02 inHg.
Barometer
86%
Humidity
SSE 5 mph
Wind
Clear

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