Weather forecast for 10 days
Lemont, IL

Weather forecast for the weekend

Saturday, Jun 21.

Mostly Sunny
5:16 am

8:31 pm
CDT
Mostly Sunny
95°F / 75°F
  • Wind: 19mph SSW
  • Humidity: 63%
  • Precip. probability: 7%
  • Precipitation: 0"
  • UV index: 9
On Saturday, June 21, sunny intervals will be long-lasting, with few disruptions.
The predicted temperature range extends from a high of a very hot 95°F to a low of a warm 75.2°F.
On Saturday, the higher temperature fits better with the expected maximum in July than June.
Sunrise will be at 5:16 am and sunset at 8:31 pm; the daylight will last for 15h and 16min.

Sunday, Jun 22.

Sunny
5:16 am

8:31 pm
CDT
Sunny
95°F / 75°F
  • Wind: 16mph SSW
  • Humidity: 58%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Lemont, skies will stay clear and sunny.
Temperatures are forecasted to peak at a fiery hot 95°F and drop to a minimum of a moderately hot 75.2°F.
An unusual hotter pattern is expected, as the day’s high matches July's typical max of 81.9°F.
Sunrise will be at 5:16 am and sunset at 8:31 pm; the daylight will last for 15h and 16min.

Frequently asked questions

What is the weather forecast for Lemont for Saturday?
On Saturday, in Lemont, mainly sunny conditions will dominate the day.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 95°F, while the lowest temperature will be 75.2°F.
What is the weather forecast for Lemont for Sunday?
On Sunday, sunshine is expected with little to no cloud cover.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature in Lemont will be 95°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Lemont for the next ten days?
In Lemont, a combination of mostly clear, cloud-filled and thunderstorm-prone weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Tuesday, Wednesday, next Tuesday and Wednesday in Lemont. With substantial precipitation of 0.98", 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 78.8°F and 95°F, as the minimum temperature will range between 62.6°F and 75.2°F.
Combining with the humidity, the maximum feel-like temperature will range between 78.8°F and 116.6°F.
What will be the hottest and the coldest days?
The hottest days will be Saturday and Sunday, with a maximum of 95°F. The coldest day will be next Wednesday, with a maximum of 78.8°F.

Long-term weather forecast

MonJun 16.
  • 86°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph SE
  • Humidity: 56%
  • UV index: 9
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:15 am 8:30 pm CDT
TueJun 17.
  • 90°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 66%
  • UV index: 8
  • Precip. probability: 15%
  • Precipitation: 0.31"
  • 5:15 am 8:30 pm CDT
WedJun 18.
  • 81°F
  • 63°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 14mph S
  • Humidity: 82%
  • UV index: 5
  • Precip. probability: 58%
  • Precipitation: 0.98"
  • 5:15 am 8:30 pm CDT
ThuJun 19.
  • 84°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph W
  • Humidity: 65%
  • UV index: 9
  • Precip. probability: 13%
  • Precipitation: 0"
  • 5:15 am 8:31 pm CDT
FriJun 20.
  • 88°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph SSW
  • Humidity: 64%
  • UV index: 8
  • Precip. probability: 18%
  • Precipitation: 0"
  • 5:15 am 8:31 pm CDT
SatJun 21.
  • 95°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Wind: 19mph SSW
  • Humidity: 63%
  • UV index: 9
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:16 am 8:31 pm CDT
SunJun 22.
  • 95°F
  • 75°F
Sunny
Sunny
  • Wind: 16mph SSW
  • Humidity: 58%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:16 am 8:31 pm CDT
MonJun 23.
  • 93°F
  • 72°F
Sunny
Sunny
  • Wind: 15mph SW
  • Humidity: 57%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:16 am 8:32 pm CDT
TueJun 24.
  • 84°F
  • 64°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph WSW
  • Humidity: 69%
  • UV index: 9
  • Precip. probability: 41%
  • Precipitation: 0.31"
  • 5:17 am 8:32 pm CDT
WedJun 25.
  • 79°F
  • 64°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph NE
  • Humidity: 75%
  • UV index: 7
  • Precip. probability: 47%
  • Precipitation: 0.35"
  • 5:17 am 8:32 pm CDT
sunny, overcast and storm-filled weather is predicted.
Rainfall is predicted for Tuesday, Wednesday, next Tuesday and Wednesday.
Substantial differences in temperature are forecasted across the forecast period. Forecast highs will fluctuate between 78.8°F and 95°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 62.6°F and 75.2°F.
Saturday and Sunday, with the highest temperature of 95°F, will be the hottest days in Lemont, Illinois; the coldest day will be next Wednesday, with a maximum of 78.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between 78.8°F and a searing 116.6°F.
Updated: Jun 16, 2025 @ 12:05:00 UTC
Published by: Weather U.S. | About Us
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