Andover, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Andover, IL in one place.
Sunny, with a high near 79.
Local Weather Overview
This forecast page for Andover, 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 19, 2026 3:38 PM CDT.
The active forecast window currently covers Apr 22 to Apr 25, 2026 for Andover, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 3:38 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Andover
Thursday looks like the warmest upcoming period in Andover at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Thursday at about 15 to 25 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 19, 2026 3:38 PM CDT
- Coverage
- 4 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
Mostly clear, with a low around 58.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 90%.
Showers and thunderstorms. Partly sunny, with a high near 70. Chance of precipitation is 90%.
A chance of rain showers. Partly cloudy, with a low around 46. Chance of precipitation is 40%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 66.
A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Sunny
|
79°F |
5 to 10 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
58°F |
10 mph
S
|
|
Thursday
Apr 23
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
80°F |
15 to 25 mph
S
|
|
Thursday Night
Apr 23
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
58°F |
15 to 20 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
70°F |
15 mph
W
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
46°F |
10 to 15 mph
N
|
|
Saturday
Apr 25
|
Slight Chance Rain Showers then Mostly Sunny
|
66°F |
10 to 15 mph
N
|
|
Saturday Night
Apr 25
|
Slight Chance Rain Showers
|
44°F |
10 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Andover.