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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Today, in Fontana-on-Geneva Lake, sunny conditions are expected to continue.
The maximum forecasted temperature is a breezy 62.6°F, while the minimum temperature will be an icy 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 73°C.
Minimum temperature: 63°C.

Chance of precipitation

Highest chance: Tuesday 27.10. 10%.

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: 5%
Precipitation: 0"
Wind: 4mphSSW 203°
Humidity: 56%
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 109°
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: 5%
Precipitation: 0"
Wind: 4mphSSW 202°
Humidity: 60%
UV index: 3
Sunrise: 7:14 am CDT
Sunset: 6:02 pm CDT
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Thursday
Oct 22, 2026

73°F
43°F

Partly Cloudy

Precip. probability: 5%
Precipitation: 0"
Wind: 6mphE 82°
Humidity: 59%
UV index: 3
Sunrise: 7:15 am CDT
Sunset: 6:01 pm CDT
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Friday
Oct 23, 2026

72°F
46°F

Partly Cloudy

Precip. probability: 7%
Precipitation: 0"
Wind: 8mphSE 140°
Humidity: 59%
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

Mostly Cloudy

Precip. probability: 5%
Precipitation: 0"
Wind: 10mphSSE 167°
Humidity: 55%
UV index: 3
Sunrise: 7:18 am CDT
Sunset: 5:58 pm CDT
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Sunday
Oct 25, 2026

72°F
50°F

Partly Cloudy

Precip. probability: 5%
Precipitation: 0"
Wind: 7mphSW 224°
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: 9%
Precipitation: 0"
Wind: 7mphENE 66°
Humidity: 64%
UV index: 3
Sunrise: 7:20 am CDT
Sunset: 5:55 pm CDT
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Tuesday
Oct 27, 2026

64°F
46°F

Partly Cloudy

Precip. probability: 10%
Precipitation: 0"
Wind: 7mphE 101°
Humidity: 64%
UV index: 3
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 mostly clear weather is anticipated.
Rainfall is not forecasted in Fontana-on-Geneva Lake in the upcoming period.
In the coming days, the highest temperature will vary between 62.6°F and 73.4°F, while the low temperature range extends from 39.2°F to 50°F.
Thursday is expected to be the warmest, reaching up to 73.4°F; the coldest days will be Sunday and next Monday, with a maximum of 62.6°F.

Updated: Oct 18, 2026 @ 18:48:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate