Edwardsville, IL Weather Tomorrow

The extended forecast for Edwardsville begins with tomorrow's weather and continues through the next 5 days with 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 Edwardsville area and around Madison county, Illinois.
Updated: Sun Sep 13th 2026 9:00 AM CDT
Edwardsville, IL Weather – 9-13 – Overcast
85° / 67°
Overcast
In Edwardsville, skies will be overcast with highs near 85°F and lows around 67°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 12mph on average and gusts of 24.4mph at 8 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 55% at 10 AM and 31% being its lowest at 5 PM. Barometric pressure is its highest of 30.1inHg at 10 PM, a lowest point of 30.01inHg at 4 PM with an avg 30.04inHg.
Edwardsville, IL Weather – 9-14 – Overcast
83° / 64°

Weather Tomorrow

Overcast
It will be overcast in Edwardsville, with a high of 83°F and a low of 64°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 16mph on average and gusts of 34mph at 10 PM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 58% at 12 AM and 34% being its lowest at 2 PM. Barometric pressure is its highest of 30.21inHg at 10 AM, a lowest point of 30inHg at 10 PM with an avg 30.11inHg.
Edwardsville, IL Weather – 9-15 – Sunny
99° / 72°
Sunny
Edwardsville is set for sunshine with temperatures peaking at 99°F and dipping to 72°F. Rainfall predicted to have a 73% chance with an estimated 0.41in. Wind will be moderate, blowing around 17mph on average and gusts of 32.5mph at 5 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 98% at 9 PM and 30% being its lowest at 3 PM. Barometric pressure is its highest of 30.14inHg at 9 PM, a lowest point of 29.95inHg at 5 PM with an avg 30.03inHg.
Edwardsville, IL Weather – 9-16 – Sunny
93° / 71°
Sunny
Daytime highs will reach 93°F with lows dropping to 71°F in Edwardsville, where bright and sunny conditions. Rainfall predicted to have a 66% chance with an estimated 0.15in. Winds will be light at 8mph and gusts of 14.1mph at 10 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 97% at 7 AM and 43% being its lowest at 5 PM. Barometric pressure is its highest of 30.24inHg at 11 AM, a lowest point of 30.12inHg at 5 PM with an avg 30.17inHg.
Edwardsville, IL Weather – 9-17 – Overcast
80° / 70°
Overcast
In Edwardsville, it will be overcast with highs near 80°F and lows around 70°F. The chance of rain is 77% with an estimated 0.15in. Winds will be light at 10mph and gusts of 16.8mph at 8 AM. High humidity with average of 82% is anticipated, the maximum being 95% at 8 AM and 67% being its lowest at 3 PM. Barometric pressure is its highest of 30.25inHg at 9 AM, a lowest point of 30.16inHg at 3 AM with an avg 30.2inHg.
Edwardsville, IL Weather – 9-18 – Sunny
83° / 67°
Sunny
Edwardsville may see sunshine, with daytime highs of 83°F and overnight lows near 67°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 11mph on average and gusts of 24.4mph at 10 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 94% at 7 AM and 39% being its lowest at 4 PM. Barometric pressure is its highest of 30.21inHg at 1 AM, a lowest point of 30.06inHg at 11 PM with an avg 30.15inHg.

Currently

Overcast 71°F
30.04 inHg.
Barometer
60%
Humidity
NNE 11.5 mph
Wind
Overcast

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