Weather forecast for 10 daysPosen, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 55°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphSW 222°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:06 pm CDT
- details ▼
On Saturday, in Posen, sunny and dry conditions are anticipated.
The temperature variation is expected to range from a maximum of a moderate 55.4°F to a minimum of a wintry 41°F.
Today, the anticipated peak temperature is set to be moderately lower than the typical October temperature 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.
The temperature variation is expected to range from a maximum of a moderate 55.4°F to a minimum of a wintry 41°F.
Today, the anticipated peak temperature is set to be moderately lower than the typical October temperature 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
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSW 203°
- Humidity: 45%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, sunshine is also forecasted under mostly clear skies.
Expected temperature values will span from an enjoyable 64.4°F down to a wintry 41°F.
The highest temperature is anticipated to follow the average for October, around 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.
Expected temperature values will span from an enjoyable 64.4°F down to a wintry 41°F.
The highest temperature is anticipated to follow the average for October, around 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.
Coldest day: today 55°C.
Chance of precipitation
Highest chance: Monday 26.10. 9%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 55°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphSW 222°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSW 203°
- Humidity: 45%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 190°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 46°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphESE 115°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphS 177°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 131°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 48°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphESE 110°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 5:57 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSE 137°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:13 am CDT
- Sunset: 5:56 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 73°F
- 52°F
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
- details ▼
- Monday
- Oct 26, 2026
- 70°F
- 52°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphNNE 27°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:15 am CDT
- Sunset: 5:53 pm CDT
- details ▼
Over the next ten days, a combination of bright and cloudy weather is predicted.
Rainfall is not forecasted in Posen in the upcoming days.
Significant changes in temperature are expected in the upcoming days. Forecast highs will fluctuate between 55.4°F and 73.4°F, while the minimum temperature is forecast to range between 41°F and 51.8°F.
Next Sunday will be the warmest day, with a maximum temperature of 73.4°F; today is the coldest day, with a maximum temperature of 55.4°F.
Rainfall is not forecasted in Posen in the upcoming days.
Significant changes in temperature are expected in the upcoming days. Forecast highs will fluctuate between 55.4°F and 73.4°F, while the minimum temperature is forecast to range between 41°F and 51.8°F.
Next Sunday will be the warmest day, with a maximum temperature of 73.4°F; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: Oct 17, 2026 @ 18:30:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Posen, sunny and dry conditions are anticipated.
Today, the maximum temperature will be 55.4°F, while the minimum temperature will be 41°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 61.2°F in October. The lowest temperature today will be also slightly cooler than the average low temperature.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 61.2°F in October. The lowest temperature today will be also slightly cooler than the average low temperature.
On Saturday, in Posen, sunrise was at 7:05 am and sunset will be at 6:06 pm (CDT).
In Posen, today, there will be 11h and 1min of daylight.
Tomorrow, sunny conditions are expected to continue.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 41°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be slightly cooler than the average low of 46.9°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be slightly cooler than the average low of 46.9°F.
On Sunday, in Posen, sunrise will be at 7:06 am and sunset at 6:05 pm (CDT).
In Posen, Illinois, the length of the day tomorrow will be 10h and 59min.





