Geneseo, IL Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Geneseo, IL in one place.
Rain showers before 4pm, then showers and thunderstorms likely. Cloudy, with a high near 63. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Geneseo, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 1:50 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Geneseo, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 1:50 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Geneseo
Wednesday looks like the warmest upcoming period in Geneseo at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 20 to 25 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 1:50 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 9pm. Mostly cloudy. Low around 46, with temperatures rising to around 48 overnight. Northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers between 11am and 4pm. Mostly cloudy, with a high near 53. Northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Areas of frost after 4am. Mostly clear, with a low around 34. North wind 5 to 20 mph, with gusts as high as 35 mph.
Widespread frost before 9am. Sunny, with a high near 57.
Clear, with a low around 39.
Sunny, with a high near 67.
Mostly clear, with a low around 43.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 72.
Mostly clear, with a low around 47.
Sunny, with a high near 74.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Rain Showers
|
63°F |
5 to 10 mph
SE
|
|
Tonight
Oct 15
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
46°F |
10 to 20 mph
NW
|
|
Friday
Oct 16
|
Chance Rain Showers
|
53°F |
20 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Areas Of Frost
|
34°F |
5 to 20 mph
N
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
57°F |
0 to 5 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
5 to 10 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
10 to 15 mph
S
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
43°F |
5 to 10 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
70°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
44°F |
0 to 5 mph
S
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
72°F |
0 to 5 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
47°F |
5 mph
SE
|
|
Wednesday
Oct 21
|
Sunny
|
74°F |
5 to 10 mph
S
|
|
Wednesday Night
Oct 21
|
Partly Cloudy then Slight Chance Rain Showers
|
52°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Geneseo.