Home / Local Weather & Traffic / Illinois / Geneseo / Weather Forecast

Geneseo, IL Weather Tomorrow

From tomorrow through the next 5 days, stay updated on Geneseo weather with daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Geneseo area and around Henry county, Illinois.
Updated: Tue Sep 1st 2026 9:00 PM CDT
Geneseo, IL Weather – 9-1 – Sunny
97° / 74°
Sunny
In Geneseo, bright and sunny conditions with highs near 97°F and lows around 74°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 11mph on average and gusts of 21.5mph at 11 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 74% at 10 PM and 71% being its lowest at 11 PM. Barometric pressure is its highest of 29.9inHg at 10 PM, a lowest point of 29.88inHg at 11 PM with an avg 29.89inHg.
Geneseo, IL Weather – 9-2 – Sunny
95° / 75°

Weather Tomorrow

Sunny
Geneseo may see sunshine, with daytime highs of 95°F and overnight lows near 75°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 13mph on average and gusts of 28.9mph at 3 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 73% at 8 AM and 45% being its lowest at 3 PM. Barometric pressure is its highest of 29.92inHg at 8 AM, a lowest point of 29.81inHg at 6 PM with an avg 29.87inHg.
Geneseo, IL Weather – 9-3 – Scattered Showers
90° / 78°
Scattered Showers
On and off showers are set to occur in Geneseo, with a high of 90°F and a low of 78°F. Rainfall predicted to have a 57% chance with an estimated 0.07in. Wind will be moderate, blowing around 15mph on average and gusts of 33.9mph at 1 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 88% at 8 PM and 42% being its lowest at 2 AM. Barometric pressure is its highest of 29.92inHg at 11 AM, a lowest point of 29.82inHg at 12 AM with an avg 29.87inHg.
Geneseo, IL Weather – 9-4 – Sunny
93° / 75°
Sunny
Highs will reach 93°F with lows near 75°F in Geneseo, where sunshine is. Rainfall predicted to have a 57% chance with an estimated 0.04in. Winds will be light at 10mph and gusts of 29.5mph at 1 AM. The humidity will be on the higher side, averaging about 64%, the maximum being 84% at 11 PM and 47% being its lowest at 5 PM. Barometric pressure is its highest of 29.95inHg at 9 AM, a lowest point of 29.83inHg at 2 AM with an avg 29.87inHg.
Geneseo, IL Weather – 9-5 – Sunny
89° / 73°
Sunny
In Geneseo, bright and sunny conditions with highs near 89°F and lows around 73°F. There might be light rainfall having a 13% chance with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 24.2mph at 10 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 94% at 10 PM and 58% being its lowest at 3 PM. Barometric pressure is its highest of 29.94inHg at 11 PM, a lowest point of 29.86inHg at 6 PM with an avg 29.89inHg.
Geneseo, IL Weather – 9-6 – Overcast
80° / 69°
Overcast
Overcast is in the forecast for Geneseo, with a high of 80°F and a low of 69°F. Rainfall predicted to have a 56% chance with an estimated 0.03in. Wind will be moderate, blowing around 11mph on average and gusts of 25.3mph at 10 PM. High humidity with average of 84% is anticipated, the maximum being 98% at 6 AM and 69% being its lowest at 1 PM. Barometric pressure is its highest of 29.99inHg at 12 PM, a lowest point of 29.91inHg at 6 PM with an avg 29.95inHg.

Currently

Clear 81°F
29.9 inHg.
Barometer
71%
Humidity
SSE 14.4 mph
Wind
Clear

5 Day Forecast Nearby

More Local Information

Bookmark and Share

Get the LocalConditions.com App on Google Play
Sign up for a membership to go Ad free

Geneseo Community Weather Reports

Write your own Geneseo, IL report, forecast, or traffic update:


Will not be posted, shared or used for marketing!

Please note by clicking on "Post" you acknowledge that you have read our Privacy Policy and Terms of Service and the Geneseo, IL report and/or forecast you are posting is in compliance with such terms. If you are under 18, do not submit this form. Be respectful! Inappropriate content will be removed by a moderator.