Weather forecast for 10 daysFrederick, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphS 183°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:17 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, the weather remains calm, bright, and sunny.
Temperature fluctuations will be substantial, ranging from a peak of a comfortable 66.2°F to a low of an icy 37.4°F.
Tomorrow's high is predicted to coincide with the typical October maximum of 63.9°F.
Sunrise will be at 7:15 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 2min.
Temperature fluctuations will be substantial, ranging from a peak of a comfortable 66.2°F to a low of an icy 37.4°F.
Tomorrow's high is predicted to coincide with the typical October maximum of 63.9°F.
Sunrise will be at 7:15 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest period: Friday - Sunday 77°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: Monday - Tuesday 6%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 174°
- Humidity: 82%
- UV index: 0
- Sunrise: 7:14 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphS 183°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSSE 168°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 45°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSE 125°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 182°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 106°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 46°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSE 129°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSE 151°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 211°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 46°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSE 152°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:06 pm CDT
- details ▼
Weather models show that a combination of bright and cloudy weather is forecasted.
Rainfall is not expected in Frederick in the upcoming days.
In the upcoming period, the highest temperature will vary between 66.2°F and 77°F, while the forecast minimum temperature falls between 37.4°F and 48.2°F.
With a maximum temperature of 77°F, Friday through next Sunday will be the warmest days; Sunday will be the coldest day, with the highest temperature of 66.2°F.
Rainfall is not expected in Frederick in the upcoming days.
In the upcoming period, the highest temperature will vary between 66.2°F and 77°F, while the forecast minimum temperature falls between 37.4°F and 48.2°F.
With a maximum temperature of 77°F, Friday through next Sunday will be the warmest days; Sunday will be the coldest day, with the highest temperature of 66.2°F.
Updated: Oct 18, 2026 @ 00:53:21 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
On Sunday, in Frederick, sunny skies are in store, with excellent visibility.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be significantly lower than the average low of 47.3°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be significantly lower than the average low of 47.3°F.
On Sunday, in Frederick, sunrise will be at 7:15 am and sunset at 6:17 pm (CDT).
In Frederick, the length of the day tomorrow will be 11h and 2min.
