Weather forecast for 10 days
Sullivan, WI

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:13 am

8:38 pm
CDT
Partly Cloudy
90°F / 73°F
  • Wind: 16mph SW
  • Humidity: 69%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 8
On Saturday, in Sullivan, expect a partly sunny afternoon with variable cloud cover.
Rainfall is not forecasted. Predicted temperature values will span from a humid 89.6°F down to a temperate 73.4°F.
On Saturday, the hotter weather will bring a peak temperature more in tune with July's 79.3°F.
Sunrise will be at 5:13 am and sunset at 8:38 pm; the daylight will last for 15h and 25min.

Sunday, Jun 22.

Sunny
5:13 am

8:39 pm
CDT
Sunny
90°F / 73°F
  • Wind: 15mph SSW
  • Humidity: 62%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Sullivan, sunshine is expected with little to no cloud cover.
Rainfall is not anticipated. The temperature will fluctuate from a high of a hot 89.6°F to a low of a moderately hot 73.4°F.
On Sunday, the temperature will resemble July's climate with a high near 79.3°F.
Sunrise will be at 5:13 am and sunset at 8:39 pm; the daylight will last for 15h and 25min.

Frequently asked questions

What is the weather forecast for Sullivan for Saturday?
On Saturday, in Sullivan, expect a partly sunny afternoon with variable cloud cover.
Will it rain on Saturday?
No, it will not rain on Saturday in Sullivan.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 89.6°F, while the lowest temperature will be 73.4°F.
What is the weather forecast for Sullivan for Sunday?
On Sunday, sun-filled conditions are expected to persist.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 89.6°F, while the lowest temperature will be 73.4°F.
What is the weather forecast for Sullivan for the next ten days?
In Sullivan, weather will be unstable, and a combination of cloudy, stormy, dry and sunny and rainy weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Monday through Wednesday, Friday, next Tuesday and Wednesday in Sullivan. With severe precipitation of 2.05", Wednesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 73.4°F and 89.6°F, as the minimum temperature will vary between 59°F and 73.4°F.
Taking the humidity into consideration, the maximum feel-like temperature will range between 73.4°F and 104°F.
What will be the hottest and the coldest days?
The hottest days will be Saturday and Sunday, with a maximum of 89.6°F. With a maximum temperature of 73.4°F, next Wednesday will be the coldest day.

Long-term weather forecast

MonJun 16.
  • 82°F
  • 66°F
AM Showers
AM Showers
  • Wind: 7mph S
  • Humidity: 61%
  • UV index: 6
  • Precip. probability: 36%
  • Precipitation: 0.04"
  • 5:12 am 8:37 pm CDT
TueJun 17.
  • 84°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 64%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0.39"
  • 5:12 am 8:37 pm CDT
WedJun 18.
  • 75°F
  • 61°F
Heavy Thunderstorms
Heavy Thunderstorms
  • Wind: 11mph NE
  • Humidity: 78%
  • UV index: 5
  • Precip. probability: 67%
  • Precipitation: 2.05"
  • 5:13 am 8:38 pm CDT
ThuJun 19.
  • 82°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph W
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:13 am 8:38 pm CDT
FriJun 20.
  • 82°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph S
  • Humidity: 70%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • 5:13 am 8:38 pm CDT
SatJun 21.
  • 90°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph SW
  • Humidity: 69%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:13 am 8:38 pm CDT
SunJun 22.
  • 90°F
  • 73°F
Sunny
Sunny
  • Wind: 15mph SSW
  • Humidity: 62%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:13 am 8:39 pm CDT
MonJun 23.
  • 88°F
  • 68°F
Sunny
Sunny
  • Wind: 14mph SW
  • Humidity: 62%
  • UV index: 9
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:14 am 8:39 pm CDT
TueJun 24.
  • 77°F
  • 59°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 10mph W
  • Humidity: 71%
  • UV index: 9
  • Precip. probability: 47%
  • Precipitation: 0.35"
  • 5:14 am 8:39 pm CDT
WedJun 25.
  • 73°F
  • 59°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 9mph ENE
  • Humidity: 68%
  • UV index: 6
  • Precip. probability: 34%
  • Precipitation: 0.35"
  • 5:14 am 8:39 pm CDT
An unsettled pattern is expected over the next ten days, and a mix of dull, thunderstorm-prone, dry and sunny and rainy weather is expected.
Rainfall is anticipated on Monday through Wednesday, Friday, next Tuesday and Wednesday.
Significant changes in temperature are expected in the upcoming days. Forecast highs will fluctuate between 73.4°F and 89.6°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 59°F to 73.4°F.
The hottest days in Sullivan will be Saturday and Sunday, with a maximum of 89.6°F; with the highest temperature of 73.4°F, next Wednesday will be the coldest day.
Combining with the humidity, the maximum feel-like temperature may increase considerably and range between 73.4°F and an extremely hot 104°F.
Updated: Jun 16, 2025 @ 13:34:30 UTC
Published by: Weather U.S. | About Us
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