Andover, IL Weather Forecast
Local 7-day forecast
Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Andover, IL in one place.
A slight chance of rain showers after 1pm. Sunny, with a high near 83. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
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: Oct 11, 2026 9:43 PM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Andover, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 11, 2026 9:43 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Andover
Tuesday looks like the warmest upcoming period in Andover at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 20 to 25 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 11, 2026 9:43 PM CDT
- Coverage
- 6 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
A slight chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers. Mostly cloudy, with a high near 73. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
A chance of rain showers before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 80%.
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 80%.
Partly sunny, with a high near 60.
Partly cloudy, with a low around 36.
Sunny, with a high near 56.
Clear, with a low around 37.
Sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny then Slight Chance Rain Showers
|
83°F |
5 to 15 mph
W
|
|
Tuesday Night
Oct 13
|
Showers And Thunderstorms
|
62°F |
0 to 5 mph
N
|
|
Wednesday
Oct 14
|
Rain Showers
|
73°F |
5 to 10 mph
N
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
56°F |
10 mph
NE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
69°F |
10 to 15 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
49°F |
10 to 20 mph
N
|
|
Friday
Oct 16
|
Partly Sunny
|
60°F |
20 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
36°F |
10 to 25 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
56°F |
5 to 10 mph
NW
|
|
Saturday Night
Oct 17
|
Clear
|
37°F |
0 to 10 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
10 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Andover.