Weather forecast for 10 daysLancaster, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphENE 73°
- Humidity: 68%
- UV index: 0
- Sunrise: 7:02 am CDT
- Sunset: 6:10 pm CDT
- details ▼
In Lancaster, through the afternoon and beyond, the forecast calls for endless blue skies and perfectly clear weather.
The lowest anticipated temperature is a cold 35.6°F.
Sunrise was at 7:02 am and sunset will be at 6:10 pm; the daylight will last for 11h and 8min.
The lowest anticipated temperature is a cold 35.6°F.
Sunrise was at 7:02 am and sunset will be at 6:10 pm; the daylight will last for 11h and 8min.
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 137°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:03 am CDT
- Sunset: 6:09 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, sunny skies and pleasant visibility are also expected.
A considerable disparity in temperature is forecasted, reaching up to a maximum of a comfortable 66.2°F and falling to a minimum of a wintry 37.4°F.
The anticipated daily high is projected to match October's typical maximum of 66.6°F.
Sunrise will be at 7:03 am and sunset at 6:09 pm; tomorrow's daylight will last for 11h and 5min.
A considerable disparity in temperature is forecasted, reaching up to a maximum of a comfortable 66.2°F and falling to a minimum of a wintry 37.4°F.
The anticipated daily high is projected to match October's typical maximum of 66.6°F.
Sunrise will be at 7:03 am and sunset at 6:09 pm; tomorrow's daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest period: Sunday - Monday 79°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: tomorrow - Monday 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphENE 73°
- Humidity: 68%
- UV index: 0
- Sunrise: 7:02 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 137°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:03 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphESE 117°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:04 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 53°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 47°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNNE 28°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphENE 73°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphESE 106°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSE 165°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNE 40°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 5:58 pm CDT
- details ▼
Throughout the next ten days, a combination of sunny and cloud-filled weather is predicted.
Rainfall is not anticipated in Lancaster in the upcoming days.
Temperature fluctuation will be noticeable across the forecast period. Maximum temperatures are forecasted between 66.2°F and 78.8°F, while the lowest temperature will be between 35.6°F and 46.4°F.
With a maximum temperature of 78.8°F, next Sunday and Monday will be the warmest days in Lancaster, Illinois; Sunday will be the coldest day, with the highest temperature of 66.2°F.
Rainfall is not anticipated in Lancaster in the upcoming days.
Temperature fluctuation will be noticeable across the forecast period. Maximum temperatures are forecasted between 66.2°F and 78.8°F, while the lowest temperature will be between 35.6°F and 46.4°F.
With a maximum temperature of 78.8°F, next Sunday and Monday will be the warmest days in Lancaster, Illinois; Sunday will be the coldest day, with the highest temperature of 66.2°F.
Updated: Oct 17, 2026 @ 20:11:04 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
Tomorrow, the weather remains calm, bright, and sunny.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be notably lower than the average low of 49.6°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be notably lower than the average low of 49.6°F.
On Sunday, in Lancaster, sunrise will be at 7:03 am and sunset at 6:09 pm (CDT).
Tomorrow, the daylight will last for 11h and 5min.





