Weather forecast for 10 daysFontana-on-Geneva Lake, WI

Weather forecast for the weekend

Sunday Oct 18, 2026

63°F
39°F

Sunny

Precip. probability: 1%
Precipitation: 0"
Wind: 15mphSSW 207°
Humidity: 40%
UV index: 4
Sunrise: 7:11 am CDT
Sunset: 6:07 pm CDT
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On Sunday, in Fontana-on-Geneva Lake, clear and sunny conditions are expected.
Temperature span will be from a high of a breezy 62.6°F to a low of a cold 39.2°F.
Sunrise was at 7:11 am and sunset will be at 6:07 pm; the daylight will last for 10h and 56min.

10-day overview

Daily temperatures

Warmest day: Thursday 72°C.
Minimum temperature: 63°C.

Chance of precipitation

Highest chance: Tuesday 27.10. 23%.

Long-term weather forecast

Sunday
Oct 18, 2026

63°F
39°F

Sunny

Precip. probability: 1%
Precipitation: 0"
Wind: 15mphSSW 207°
Humidity: 40%
UV index: 4
Sunrise: 7:11 am CDT
Sunset: 6:07 pm CDT
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Monday
Oct 19, 2026

68°F
41°F

Mostly Sunny

Precip. probability: 6%
Precipitation: 0"
Wind: 4mphSSW 203°
Humidity: 57%
UV index: 4
Sunrise: 7:12 am CDT
Sunset: 6:06 pm CDT
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Tuesday
Oct 20, 2026

68°F
41°F

Sunny

Precip. probability: 6%
Precipitation: 0"
Wind: 5mphESE 111°
Humidity: 60%
UV index: 4
Sunrise: 7:13 am CDT
Sunset: 6:04 pm CDT
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Wednesday
Oct 21, 2026

70°F
43°F

Sunny

Precip. probability: 6%
Precipitation: 0"
Wind: 4mphSSW 203°
Humidity: 61%
UV index: 4
Sunrise: 7:14 am CDT
Sunset: 6:02 pm CDT
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Thursday
Oct 22, 2026

72°F
43°F

Partly Cloudy

Precip. probability: 6%
Precipitation: 0"
Wind: 6mphENE 65°
Humidity: 60%
UV index: 3
Sunrise: 7:15 am CDT
Sunset: 6:01 pm CDT
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Friday
Oct 23, 2026

70°F
45°F

Partly Cloudy

Precip. probability: 8%
Precipitation: 0"
Wind: 8mphSE 134°
Humidity: 63%
UV index: 3
Sunrise: 7:17 am CDT
Sunset: 5:59 pm CDT
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Saturday
Oct 24, 2026

70°F
50°F

Partly Cloudy

Precip. probability: 5%
Precipitation: 0"
Wind: 11mphSSE 167°
Humidity: 56%
UV index: 3
Sunrise: 7:18 am CDT
Sunset: 5:58 pm CDT
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Sunday
Oct 25, 2026

70°F
50°F

AM Clouds / PM Sun

Precip. probability: 6%
Precipitation: 0"
Wind: 7mphSW 226°
Humidity: 56%
UV index: 3
Sunrise: 7:19 am CDT
Sunset: 5:57 pm CDT
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Monday
Oct 26, 2026

63°F
46°F

Partly Cloudy

Precip. probability: 10%
Precipitation: 0"
Wind: 7mphENE 72°
Humidity: 64%
UV index: 3
Sunrise: 7:20 am CDT
Sunset: 5:55 pm CDT
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Tuesday
Oct 27, 2026

63°F
46°F

Mostly Cloudy

Precip. probability: 23%
Precipitation: 0"
Wind: 8mphESE 104°
Humidity: 70%
UV index: 2
Sunrise: 7:22 am CDT
Sunset: 5:54 pm CDT
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Over the next ten days, conditions will reflect that a combination of overcast and sun-filled weather is anticipated.
Rainfall is not expected in Fontana-on-Geneva Lake in the upcoming days.
In the coming days, the maximum temperature will range between 62.6°F and 71.6°F, while the lowest temperature will be between 39.2°F and 50°F.
With the highest temperature of 71.6°F, Thursday will be the warmest day; the coldest days will be Sunday, next Monday and Tuesday, with a maximum of 62.6°F.

Updated: Oct 18, 2026 @ 17:40:04 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate