Weather forecast for 10 daysLake Forest, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 43°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 15mphSSW 209°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Tomorrow, conditions remain stable and sunny, with little cloud presence.
Temperatures are forecasted to range from a maximum of an enjoyable 62.6°F to a minimum of a brisk 42.8°F.
Tomorrow's peak is anticipated to be moderately higher than the regular high for October at 58.6°F.
Sunrise will be at 7:07 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 57min.
Temperatures are forecasted to range from a maximum of an enjoyable 62.6°F to a minimum of a brisk 42.8°F.
Tomorrow's peak is anticipated to be moderately higher than the regular high for October at 58.6°F.
Sunrise will be at 7:07 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 57min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 70°C.
Coldest day: tomorrow 63°C.
Coldest day: tomorrow 63°C.
Chance of precipitation
Highest chance: Monday 26.10. 22%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphSW 214°
- Humidity: 73%
- UV index: 0
- Sunrise: 7:06 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 63°F
- 43°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 15mphSSW 209°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 190°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 46°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphE 91°
- Humidity: 70%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 46°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphS 185°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphENE 77°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:12 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 68°F
- 50°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSE 130°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:13 am CDT
- Sunset: 5:57 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 66°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSE 150°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:15 am CDT
- Sunset: 5:56 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 70°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphS 189°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:16 am CDT
- Sunset: 5:54 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 50°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 8mphNNE 29°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:17 am CDT
- Sunset: 5:53 pm CDT
- details ▼
A combination of cloud-filled and sunny weather is expected.
Rainfall is not forecasted in Lake Forest in the upcoming days.
In the upcoming period, the highest temperature will range between 62.6°F and 69.8°F, while the minimum temperature is forecast to range between 41°F and 50°F.
Next Sunday is expected to be the warmest, reaching up to 69.8°F; the coldest day will be Sunday, with a maximum of 62.6°F.
Rainfall is not forecasted in Lake Forest in the upcoming days.
In the upcoming period, the highest temperature will range between 62.6°F and 69.8°F, while the minimum temperature is forecast to range between 41°F and 50°F.
Next Sunday is expected to be the warmest, reaching up to 69.8°F; the coldest day will be Sunday, with a maximum of 62.6°F.
Updated: Oct 18, 2026 @ 00:11:19 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, sunshine is expected with little to no cloud cover.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 42.8°F.
The highest temperature will be slightly warmer than the average maximum of 58.6°F in October. Tomorrow, the lowest temperature will be also a few degrees lower than the average low temperature.
The highest temperature will be slightly warmer than the average maximum of 58.6°F in October. Tomorrow, the lowest temperature will be also a few degrees lower than the average low temperature.
On Sunday, in Lake Forest, sunrise will be at 7:07 am and sunset at 6:05 pm (CDT).
In Lake Forest, the length of the day tomorrow will be 10h and 57min.
