Galesburg, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Galesburg, IL in one place.
A chance of rain showers after 7am. Mostly sunny, with a high near 77. West southwest wind 8 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Galesburg, 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: Apr 15, 2026 2:48 AM CDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Galesburg, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 2:48 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Galesburg
Friday looks like the warmest upcoming period in Galesburg at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 2:48 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 7pm. Mostly clear, with a low around 55. South southwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South southeast wind 6 to 18 mph, with gusts as high as 26 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 49. South southwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms. Partly sunny, with a high near 60. Chance of precipitation is 90%.
A chance of rain showers before 7pm. Partly cloudy, with a low around 35. Chance of precipitation is 30%.
Sunny, with a high near 55.
Mostly clear, with a low around 35.
Sunny, with a high near 63.
Mostly clear, with a low around 43.
Sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Chance Rain Showers
|
77°F |
8 to 12 mph
WSW
|
|
Thursday Night
Apr 16
|
Chance Rain Showers then Mostly Clear
|
55°F |
7 mph
SSW
|
|
Friday
Apr 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
6 to 18 mph
SSE
|
|
Friday Night
Apr 17
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
49°F |
16 mph
SSW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
60°F |
15 to 20 mph
W
|
|
Saturday Night
Apr 18
|
Chance Rain Showers then Partly Cloudy
|
35°F |
12 to 18 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
55°F |
12 to 15 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
35°F |
6 to 10 mph
N
|
|
Monday
Apr 20
|
Sunny
|
63°F |
7 to 12 mph
SE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
43°F |
10 mph
SSE
|
|
Tuesday
Apr 21
|
Sunny
|
69°F |
10 to 16 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Galesburg.
