Weather forecast for 10 days
Fontana-on-Geneva Lake, WI

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:15 am

8:37 pm
CDT
Partly Cloudy
90°F / 73°F
  • Wind: 17mph SW
  • Humidity: 66%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 9
On Saturday, June 21, intermittent cloud cover is expected, allowing for some sunshine.
Rainfall is not predicted. A modest fluctuation in temperature is forecasted, achieving a maximum of a humid 89.6°F and dipping to a minimum of a temperate 73.4°F.
Sunrise will be at 5:15 am and sunset at 8:37 pm; the daylight will last for 15h and 22min.

Sunday, Jun 22.

Sunny
5:15 am

8:37 pm
CDT
Sunny
91°F / 72°F
  • Wind: 16mph SSW
  • Humidity: 60%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 9
On Sunday, June 22, the weather remains calm, bright, and sunny.
Rainfall is not expected. Temperature shifts will be minor, from a high of a blazing 91.4°F to a low of an agreeable 71.6°F.
Sunrise will be at 5:15 am and sunset at 8:37 pm; the daylight will last for 15h and 22min.

Frequently asked questions

What is the weather forecast for Fontana-on-Geneva Lake for Saturday?
On Saturday, partly cloudy skies will persist, making for a mix of sun and clouds.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 89.6°F, while the minimum temperature will be 73.4°F.
What is the weather forecast for Fontana-on-Geneva Lake for Sunday?
On Sunday, in Fontana-on-Geneva Lake, sunshine is expected with little to no cloud cover.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 91.4°F, while the minimum temperature will be 71.6°F.
What is the weather forecast for Fontana-on-Geneva Lake for the next ten days?
In Fontana-on-Geneva Lake, weather will be unstable, and a combination of stormy, sun-filled, overcast and damp weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is expected on Monday through Wednesday, next Tuesday and Wednesday in Fontana-on-Geneva Lake. With elevated precipitation of 1.06", Wednesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 75.2°F and 91.4°F, as the minimum temperature will be between 59°F and 73.4°F.
Including the humidity's impact, the maximum feel-like temperature will vary between 75.2°F and 104°F.
What will be the hottest and the coldest days in Fontana-on-Geneva Lake?
The hottest day will be Sunday, with a maximum of 91.4°F. The coldest days will be Wednesday and next Wednesday, with a maximum of 75.2°F.

Long-term weather forecast

MonJun 16.
  • 82°F
  • 66°F
AM Showers
AM Showers
  • Wind: 8mph S
  • Humidity: 52%
  • UV index: 8
  • Precip. probability: 50%
  • Precipitation: 0.04"
  • 5:14 am 8:35 pm CDT
TueJun 17.
  • 86°F
  • 64°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 10mph WSW
  • Humidity: 65%
  • UV index: 8
  • Precip. probability: 44%
  • Precipitation: 0.55"
  • 5:14 am 8:36 pm CDT
WedJun 18.
  • 75°F
  • 61°F
Heavy Thunderstorms
Heavy Thunderstorms
  • Wind: 11mph ENE
  • Humidity: 81%
  • UV index: 7
  • Precip. probability: 62%
  • Precipitation: 1.06"
  • 5:14 am 8:36 pm CDT
ThuJun 19.
  • 82°F
  • 64°F
Sunny
Sunny
  • Wind: 11mph W
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 18%
  • Precipitation: 0"
  • 5:14 am 8:36 pm CDT
FriJun 20.
  • 82°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SSW
  • Humidity: 68%
  • UV index: 8
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:15 am 8:36 pm CDT
SatJun 21.
  • 90°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 17mph SW
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:15 am 8:37 pm CDT
SunJun 22.
  • 91°F
  • 72°F
Sunny
Sunny
  • Wind: 16mph SSW
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:15 am 8:37 pm CDT
MonJun 23.
  • 90°F
  • 70°F
Sunny
Sunny
  • Wind: 15mph SW
  • Humidity: 59%
  • UV index: 9
  • Precip. probability: 9%
  • Precipitation: 0"
  • 5:15 am 8:37 pm CDT
TueJun 24.
  • 81°F
  • 61°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 11mph W
  • Humidity: 68%
  • UV index: 9
  • Precip. probability: 48%
  • Precipitation: 0.28"
  • 5:16 am 8:37 pm CDT
WedJun 25.
  • 75°F
  • 59°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 10mph ENE
  • Humidity: 69%
  • UV index: 7
  • Precip. probability: 33%
  • Precipitation: 0.28"
  • 5:16 am 8:37 pm CDT
The weather will be unstable for the next ten days, and a mix of thunderstorm-prone, sunny, gloomy and rain-soaked weather is predicted.
Rainfall is anticipated on Monday through Wednesday, next Tuesday and Wednesday.
Expect a substantial fluctuation in daytime highs across the forecast period. Forecast highs will fluctuate between 75.2°F and 91.4°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 59°F and 73.4°F.
Expect the hottest day on Sunday, with temperatures peaking at 91.4°F; the coldest days will be Wednesday and next Wednesday, with a maximum of 75.2°F.
Combining with the humidity, the maximum feel-like temperature may increase greatly and range between 75.2°F and a blistering 104°F.
Updated: Jun 16, 2025 @ 15:34:56 UTC
Published by: Weather U.S. | About Us
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