Weather forecast for 10 daysAndover, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphSSW 193°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
Today, on Sunday, October 18, sun-filled conditions are expected to persist.
Significant temperature fluctuations from a high of a breezy 66.2°F to a low of a cold 39.2°F are forecasted.
The maximum temperature for today will be slightly warmer than the regular high of 61.3°F in October.
Sunrise was at 7:16 am and sunset will be at 6:15 pm; the daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Maximum temperature: 75°C.
Coldest day: today 66°C.

Chance of precipitation

Highest chance: Monday 26.10. 19%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphSSW 193°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphS 174°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSE 131°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 183°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 4mphSE 129°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 8mphSE 140°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphSSE 159°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:23 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 75°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSSW 199°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:24 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 6mphESE 107°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:25 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 7mphSE 125°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:26 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
Over the next ten days, a combination of cloud-filled and mostly clear weather is predicted.
Rainfall is not expected in Andover in the upcoming days.
In the coming days, the maximum temperature will vary between 66.2°F and 75.2°F, while there will be a marked difference in overnight low temperatures, as the overnight lows will vary from 39.2°F to 51.8°F.
With a maximum temperature of 75.2°F, Thursday, Saturday and next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 12:41:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Andover, a sun-drenched sky is anticipated.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The highest temperature will be a couple of degrees higher than the average maximum of 61.3°F in October. The lowest temperature today will be also relatively lower than the average low temperature.

On Sunday, in Andover, sunrise was at 7:16 am and sunset will be at 6:15 pm (CDT).

In Andover, Illinois, today, there will be 10h and 59min of daylight.