Weather forecast for 10 daysCortland, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 16mphSSW 200°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:08 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, clear and sunny conditions are also expected.
Temperature span will be from a high of a breezy 62.6°F to a low of an icy 39.2°F.
The temperature will be in line with October's average maximum of 59.9°F.
Sunrise will be at 7:10 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 58min.
Temperature span will be from a high of a breezy 62.6°F to a low of an icy 39.2°F.
The temperature will be in line with October's average maximum of 59.9°F.
Sunrise will be at 7:10 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Warmest period: Thursday - Sunday 72°C.
Coldest day: tomorrow 63°C.
Coldest day: tomorrow 63°C.
Chance of precipitation
Highest chance: Monday 26.10. 13%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSW 203°
- Humidity: 69%
- UV index: 0
- Sunrise: 7:09 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 16mphSSW 200°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 184°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphESE 119°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphS 182°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphE 87°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 46°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphSE 132°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:16 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphSSE 148°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:17 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 189°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:19 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 45°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphENE 77°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:20 am CDT
- Sunset: 5:57 pm CDT
- details ▼
It is expected that a combination of cloudy and dry and sunny weather is anticipated.
Rainfall is not forecasted in Cortland in the upcoming days.
In the upcoming days, the maximum temperature will vary between 62.6°F and 71.6°F, while nighttime temperatures are expected to vary from 37.4°F to 48.2°F.
The warmest days will be Thursday through next Sunday, with a maximum of 71.6°F; with the highest temperature of 62.6°F, Sunday will be the coldest day.
Rainfall is not forecasted in Cortland in the upcoming days.
In the upcoming days, the maximum temperature will vary between 62.6°F and 71.6°F, while nighttime temperatures are expected to vary from 37.4°F to 48.2°F.
The warmest days will be Thursday through next Sunday, with a maximum of 71.6°F; with the highest temperature of 62.6°F, Sunday will be the coldest day.
Updated: Oct 17, 2026 @ 22:04:08 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, sunshine is forecasted under mostly clear skies.
Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 39.2°F.
The highest temperature will be in line with the average maximum of 59.9°F in October. Tomorrow, the lowest temperature will be moderately lower than the average low temperature.
The highest temperature will be in line with the average maximum of 59.9°F in October. Tomorrow, the lowest temperature will be moderately lower than the average low temperature.
On Sunday, in Cortland, sunrise will be at 7:10 am and sunset at 6:08 pm (CDT).
Tomorrow, the daylight will last for 10h and 58min.
