Weather forecast for 10 days
Pontoon Beach, IL

Weather forecast for the weekend

Saturday, May 10.

Partly Cloudy
5:50 am

8:02 pm
CDT
Partly Cloudy
79°F / 52°F
  • Wind: 7mph NE
  • Humidity: 45%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 8
Today, on Saturday, May 10, high-altitude clouds may scatter across the sky, but the sun will still shine.
A daytime temperature reaching up to a warm 78.8°F will sharply contrast with a nighttime low of a cool 51.8°F.
Today, the forecasted high will be relatively higher than May's typical maximum of 74.7°F.
Sunrise was at 5:50 am and sunset will be at 8:02 pm; the daylight will last for 14h and 12min.

Sunday, May 11.

Mostly Sunny
5:49 am

8:03 pm
CDT
Mostly Sunny
81°F / 61°F
  • Wind: 10mph ENE
  • Humidity: 44%
  • Precip. probability: 1%
  • Precipitation: 0.04"
  • UV index: 8
Tomorrow, on Sunday, May 11, mainly sunny skies with just a few high clouds are also anticipated.
Minimal precipitation is expected. Predicted temperature values will span from a moderately hot 80.6°F down to an enjoyable 60.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at 80.6°F.
Tomorrow, the warmer weather will bring a peak temperature more in tune with June's 83.8°F.
Sunrise will be at 5:49 am and sunset at 8:03 pm; tomorrow's daylight will last for 14h and 14min.

Frequently asked questions

What is the weather forecast for Pontoon Beach for tomorrow?
On Sunday, predominantly sunny weather will make for pleasant outdoor conditions.
Will it rain tomorrow?
Tomorrow, there is a low probability of minimal rainfall in Pontoon Beach.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 60.8°F. The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be 80.6°F.
The maximum temperature tomorrow will be moderately higher than the average highest temperature in May. Tomorrow, the lowest temperature will be in line with the average low temperature.
When are sunrise and sunset tomorrow in Pontoon Beach?
On Sunday, in Pontoon Beach, sunrise will be at 5:49 am and sunset at 8:03 pm (CDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 14h and 14min.
What is the weather forecast for Pontoon Beach for the next ten days?
In Pontoon Beach, weather will be unstable, and a combination of dry and sunny, cloud-filled, lightning-active and rain-filled weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Monday, next Saturday through next Monday in Pontoon Beach. With moderate precipitation of 0.47", next Sunday will be the day with the most rainfall.
How hot will it be in the next ten days in Pontoon Beach?
The maximum temperature will vary between 68°F and 89.6°F, as the minimum temperature will range between 51.8°F and 68°F.
Taking the humidity into consideration, the maximum feel-like temperature will range between 68°F and 102.2°F.
What will be the hottest and the coldest days?
Thursday will be the hottest day, with a maximum temperature of 89.6°F. Next Monday will be the coldest day, with a maximum temperature of 68°F.

Long-term weather forecast

SatMay 10.
  • 79°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NE
  • Humidity: 45%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:50 am 8:02 pm CDT
SunMay 11.
  • 81°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph ENE
  • Humidity: 44%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0.04"
  • 5:49 am 8:03 pm CDT
MonMay 12.
  • 72°F
  • 59°F
Thunderstorms
Thunderstorms
  • Wind: 8mph E
  • Humidity: 78%
  • UV index: 4
  • Precip. probability: 61%
  • Precipitation: 0.2"
  • 5:48 am 8:04 pm CDT
TueMay 13.
  • 79°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SE
  • Humidity: 73%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:47 am 8:05 pm CDT
WedMay 14.
  • 84°F
  • 68°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SE
  • Humidity: 67%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:47 am 8:06 pm CDT
ThuMay 15.
  • 90°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph S
  • Humidity: 65%
  • UV index: 7
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:46 am 8:07 pm CDT
FriMay 16.
  • 82°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph W
  • Humidity: 50%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:45 am 8:08 pm CDT
SatMay 17.
  • 79°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph W
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 17%
  • Precipitation: 0.12"
  • 5:44 am 8:09 pm CDT
SunMay 18.
  • 75°F
  • 59°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 10mph SE
  • Humidity: 77%
  • UV index: 9
  • Precip. probability: 37%
  • Precipitation: 0.47"
  • 5:43 am 8:09 pm CDT
MonMay 19.
  • 68°F
  • 55°F
AM Showers
AM Showers
  • Wind: 12mph W
  • Humidity: 75%
  • UV index: 7
  • Precip. probability: 33%
  • Precipitation: 0.12"
  • 5:42 am 8:10 pm CDT
Weather fluctuations are likely over the next ten days, and a mix of bright, cloudy, turbulent and rain-filled weather is predicted.
Rainfall is expected on Monday, next Saturday through next Monday.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 68°F and 89.6°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 51.8°F and 68°F.
Expect the hottest day on Thursday, with temperatures peaking at 89.6°F; the lowest daytime temperature of the period will be reached on next Monday, peaking at 68°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and vary between 68°F and a steamy 102.2°F.
Updated: May 10, 2025 @ 12:20:30 UTC
Published by: Weather U.S. | About Us
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