Summerfield, IL Weather Tomorrow

Need tomorrow's weather for Summerfield? This 5 day forecast provides precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Summerfield area and around St. Clair county, Illinois.
Updated: Fri Sep 4th 2026 5:30 AM CDT
Summerfield, IL Weather – 9-4 – Sunny
102° / 76°
Sunny
Highs will reach 102°F with lows near 76°F in Summerfield, where sunshine is. There's a very small chance of rainfall, only about 3%. Winds will be light at 10mph and gusts of 15.7mph at 8 AM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 77% at 7 AM and 24% being its lowest at 5 PM. Barometric pressure is its highest of 29.96inHg at 8 AM, a lowest point of 29.82inHg at 6 PM with an avg 29.89inHg.
Summerfield, IL Weather – 9-5 – Sunny
105° / 82°

Weather Tomorrow

Sunny
Daytime highs will reach 105°F with lows dropping to 82°F in Summerfield, where it will be sunny. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 13mph on average and gusts of 24.6mph at 11 PM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 62% at 11 PM and 20% being its lowest at 4 PM. Barometric pressure is its highest of 29.9inHg at 8 AM, a lowest point of 29.77inHg at 6 PM with an avg 29.85inHg.
Summerfield, IL Weather – 9-6 – Sunny
93° / 71°
Sunny
Summerfield could see a sunny day with daytime highs of 93°F and nighttime lows near 71°F. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 16mph on average and gusts of 27.7mph at 10 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 98% at 7 AM and 35% being its lowest at 4 PM. Barometric pressure is its highest of 29.98inHg at 10 PM, a lowest point of 29.85inHg at 2 AM with an avg 29.92inHg.
Summerfield, IL Weather – 9-7 – Sunny
93° / 64°
Sunny
Summerfield could see a sunny day with daytime highs of 93°F and nighttime lows near 64°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 11mph on average and gusts of 24.9mph at 10 PM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 84% at 6 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 30.07inHg at 9 AM, a lowest point of 29.97inHg at 5 PM with an avg 30.02inHg.
Summerfield, IL Weather – 9-8 – Sunny
106° / 69°
Sunny
A sunny day is in the forecast for Summerfield, with a high of 106°F and a low of 69°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 10mph and gusts of 19.2mph at 11 PM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 65% at 3 AM and 19% being its lowest at 4 PM. Barometric pressure is its highest of 30.09inHg at 8 AM, a lowest point of 29.92inHg at 4 PM with an avg 30.01inHg.
Summerfield, IL Weather – 9-9 – Sunny
108° / 81°
Sunny
Daytime highs will reach 108°F with lows dropping to 81°F in Summerfield, where it will be sunny. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 15mph on average and gusts of 31.6mph at 1 AM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 65% at 7 AM and 18% being its lowest at 4 PM. Barometric pressure is its highest of 30.05inHg at 10 AM, a lowest point of 29.93inHg at 7 PM with an avg 29.99inHg.

Currently

Clear 78°F
29.91 inHg.
Barometer
73%
Humidity
SW 10.8 mph
Wind
Clear

5 Day Forecast Nearby

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