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Seymour, IL Weather Tomorrow

Tomorrow's weather forecast for Seymour is supported by a complete 5 day outlook covering daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Seymour area and around Champaign county, Illinois.
Updated: Thu Sep 3rd 2026 9:00 AM CDT
Seymour, IL Weather – 9-3 – Moderate Rain At Times
95° / 74°
Moderate Rain At Times
Seymour may see rain, with daytime highs of 95°F and overnight lows near 74°F. Rainfall predicted to have a 70% chance with an estimated 0.43in. Winds will be light at 10mph and gusts of 19.7mph at 10 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 71% at 7 PM and 40% being its lowest at 3 PM. Barometric pressure is its highest of 29.95inHg at 10 AM, a lowest point of 29.86inHg at 6 PM with an avg 29.91inHg.
Seymour, IL Weather – 9-4 – Sunny
91° / 76°

Weather Tomorrow

Sunny
Daytime highs will reach 91°F with lows dropping to 76°F in Seymour, where bright and sunny conditions. There's a moderate 36% chance of rainfall with an estimated 0.02in. Winds will be light at 10mph and gusts of 22.8mph at 12 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 79% at 9 PM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 29.98inHg at 11 AM, a lowest point of 29.89inHg at 6 PM with an avg 29.92inHg.
Seymour, IL Weather – 9-5 – Sunny
89° / 73°
Sunny
In Seymour, it will be sunny with highs near 89°F and lows around 73°F. Rainfall predicted to have a 70% chance with an estimated 0.22in. Wind will be moderate, blowing around 19mph on average and gusts of 22.8mph at 5 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 95% at 9 PM and 53% 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 29.94inHg.
Seymour, IL Weather – 9-6 – Sunny
85° / 67°
Sunny
Seymour is set for sunshine with temperatures peaking at 85°F and dipping to 67°F. There might be light rainfall having a 16% chance with an estimated 0in. Winds will be light at 9mph and gusts of 24mph at 11 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 95% at 1 AM and 57% being its lowest at 4 PM. Barometric pressure is its highest of 30.04inHg at 9 PM, a lowest point of 29.9inHg at 6 PM with an avg 29.96inHg.
Seymour, IL Weather – 9-7 – Overcast
87° / 61°
Overcast
It will be overcast in Seymour, with a high of 87°F and a low of 61°F. There's a moderate 45% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 11mph on average and gusts of 25.7mph at 12 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 95% at 4 AM and 56% being its lowest at 4 PM. Barometric pressure is its highest of 30.09inHg at 8 AM, a lowest point of 29.96inHg at 6 PM with an avg 30.01inHg.
Seymour, IL Weather – 9-8 – Overcast
96° / 75°
Overcast
Daytime highs will reach 96°F with lows dropping to 75°F in Seymour, where skies will be overcast. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 16mph on average and gusts of 37.4mph at 11 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 77% at 12 AM and 42% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 1 AM, a lowest point of 29.9inHg at 6 PM with an avg 29.95inHg.

Currently

Moderate Rain At Times 83°F
29.94 inHg.
Barometer
62%
Humidity
SW 14 mph
Wind
Moderate Rain At Times

5 Day Forecast Nearby

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