Weather forecast for 10 daysIsland Lake, WI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSSW 207°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:25 am CDT
- Sunset: 6:15 pm CDT
- details ▼
Today, in Island Lake, sunshine is forecasted under mostly clear skies.
Temperature values will vary noticeably, extending from an enjoyable 64.4°F to an icy 37.4°F.
Today, the temperature will be higher and more consistent with September's typical high of 68.9°F than with October's 53.1°F.
Sunrise was at 7:25 am and sunset will be at 6:15 pm; the daylight will last for 10h and 49min.
Temperature values will vary noticeably, extending from an enjoyable 64.4°F to an icy 37.4°F.
Today, the temperature will be higher and more consistent with September's typical high of 68.9°F than with October's 53.1°F.
Sunrise was at 7:25 am and sunset will be at 6:15 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 72°C.
Coldest day: Monday 26.10. 59°C.
Coldest day: Monday 26.10. 59°C.
Chance of precipitation
Highest chance: Saturday 23%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSSW 207°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:25 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 37°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 3mphSE 124°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:27 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 7mphSSE 154°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:28 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 5mphSSW 193°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:29 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 46°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphSE 124°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:31 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 54°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 11mphSSE 151°
- Humidity: 61%
- UV index: 2
- Sunrise: 7:32 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 52°F
Cloudy
- Precip. probability: 23%
- Precipitation: 0.04"
- Wind: 13mphS 170°
- Humidity: 53%
- UV index: 2
- Sunrise: 7:33 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 43°F
Mostly Sunny
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 6mphW 262°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:35 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 6mphESE 105°
- Humidity: 64%
- UV index: 2
- Sunrise: 7:36 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 48°F
Mostly Cloudy
- Precip. probability: 14%
- Precipitation: 0.08"
- Wind: 9mphSE 135°
- Humidity: 66%
- UV index: 2
- Sunrise: 7:38 am CDT
- Sunset: 6:00 pm CDT
- details ▼
In the days ahead, a combination of sunny and cloudy weather is forecasted.
Rainfall is forecasted for Saturday and next Tuesday.
Temperature fluctuation will be noticeable across the forecast period. Highs will range from 59°F to 71.6°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 37.4°F and 53.6°F.
The warmest days in Island Lake will be Thursday and Friday, with a maximum of 71.6°F; the lowest daytime temperature of the period will be reached on next Monday, peaking at 59°F.
Rainfall is forecasted for Saturday and next Tuesday.
Temperature fluctuation will be noticeable across the forecast period. Highs will range from 59°F to 71.6°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 37.4°F and 53.6°F.
The warmest days in Island Lake will be Thursday and Friday, with a maximum of 71.6°F; the lowest daytime temperature of the period will be reached on next Monday, peaking at 59°F.
Updated: Oct 18, 2026 @ 12:45:46 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, sunshine and minimal clouds are in the outlook.
Today, the highest temperature in Island Lake will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be uncommonly higher than the average maximum of 53.1°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature will be uncommonly higher than the average maximum of 53.1°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Island Lake, sunrise was at 7:25 am and sunset will be at 6:15 pm (CDT).
Today, the daylight will last for 10h and 49min.
