Weather forecast for 10 daysPosen, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 55°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSW 222°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:05 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
Today, on Saturday, October 17, a pleasant mix of sun and clouds will define the day.
Temperatures are forecasted to range from a maximum of a moderate 55.4°F to a minimum of a wintry 41°F.
The predicted top temperature is expected to be a couple of degrees lower than the usual October maximum of 61.2°F.
Sunrise was at 7:05 am and sunset will be at 6:06 pm; the daylight will last for 11h and 1min.

Sunday Oct 18, 2026

  • 64°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphSSW 204°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, clear skies and sunshine are anticipated.
The maximum predicted temperature is an enjoyable 64.4°F, while the minimum temperature will be an icy 41°F.
Tomorrow's temperature is expected to match October's standard peak of 61.2°F.
Sunrise will be at 7:06 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 73°C.
Coldest day: today 55°C.

Chance of precipitation

Highest chance: Monday 26.10. 8%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 55°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSW 222°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:05 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphSSW 204°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 189°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphESE 122°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphS 179°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphSE 137°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 113°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 8mphSE 136°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:13 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSSW 193°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphNNE 28°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:53 pm CDT
  • ▼
Over the next ten days, conditions will reflect that a combination of sunny and cloudy weather is forecasted.
Rain is not anticipated in Posen in the upcoming period.
Temperature fluctuation will be noticeable in the next ten days. The maximum temperature will vary between 55.4°F and 73.4°F, while nighttime temperatures are expected to vary from 41°F to 51.8°F.
With the highest temperature of 73.4°F, next Sunday will be the warmest day; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: Oct 17, 2026 @ 16:52:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Posen, occasional cloudiness will be present, but there will still be plenty of sun.

Today, the highest temperature in Posen will be 55.4°F, while the lowest temperature will be 41°F.
The maximum temperature today will be moderately lower than the average highest temperature in October. Today, the lowest temperature will be also a few degrees lower than the average low temperature.

On Saturday, in Posen, sunrise was at 7:05 am and sunset will be at 6:06 pm (CDT).

Today in Posen, the daylight will last for 11h and 1min.

Tomorrow, skies are expected to be clear and full of sunshine.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 41°F.
The highest temperature will be in line with the average maximum of 61.2°F in October. The lowest temperature tomorrow will be relatively lower than the average low temperature.

On Sunday, in Posen, sunrise will be at 7:06 am and sunset at 6:05 pm (CDT).

Tomorrow, the daylight will last for 10h and 59min.