Weather forecast for 10 days
Arlington Heights, IL

Weather forecast for the weekend

Saturday, Jun 21.

Sunny
5:14 am

8:33 pm
CDT
Sunny
97°F / 77°F
  • Wind: 17mph SSW
  • Humidity: 55%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 9
On Saturday, June 21, sunshine is expected with little to no cloud cover.
Rainfall is not forecasted. The temperature is predicted to oscillate between a maximum of a sizzling 96.8°F and a minimum of a temperate 77°F.
Forecast models suggest hotter conditions, with a peak that mirrors July's climate average rather than June's.
Sunrise will be at 5:14 am and sunset at 8:33 pm; the daylight will last for 15h and 19min.

Sunday, Jun 22.

Sunny
5:14 am

8:33 pm
CDT
Sunny
97°F / 77°F
  • Wind: 16mph SW
  • Humidity: 51%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Arlington Heights, expect consistent sunshine and open skies.
Rainfall is not forecasted. Temperature fluctuations between a sizzling 96.8°F and a warm 77°F are predicted.
The day’s maximum of 96.8°F shows a shift toward July's pattern over June's.
Sunrise will be at 5:14 am and sunset at 8:33 pm; the daylight will last for 15h and 19min.

Frequently asked questions

What is the weather forecast for Arlington Heights for Saturday?
On Saturday, the weather remains calm, bright, and sunny.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 96.8°F, while the minimum temperature will be 77°F.
What is the weather forecast for Arlington Heights for Sunday?
On Sunday, the outlook remains bright and sunny.
Will it rain on Sunday?
No, it will not rain on Sunday in Arlington Heights.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 96.8°F, while the lowest temperature will be 77°F.
What is the weather forecast for Arlington Heights for the next ten days?
In Arlington Heights, a combination of lightning-active, dull and mostly clear weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Wednesday, Tuesday through next Thursday in Arlington Heights. Wednesday, with moderate precipitation of 0.67", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 78.8°F and 96.8°F, as the minimum temperature will vary between 62.6°F and 77°F.
Including the humidity's impact, the maximum feel-like temperature will vary between 78.8°F and 114.8°F.
What will be the hottest and the coldest days?
The hottest days will be Saturday through Monday, with a maximum of 96.8°F. Today is the coldest day, with a maximum temperature of 78.8°F.

Long-term weather forecast

WedJun 18.
  • 79°F
  • 63°F
Thunderstorms
Thunderstorms
  • Wind: 8mph SE
  • Humidity: 85%
  • UV index: 4
  • Precip. probability: 100%
  • Precipitation: 0.67"
  • 5:14 am 8:32 pm CDT
ThuJun 19.
  • 84°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WNW
  • Humidity: 61%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:14 am 8:32 pm CDT
FriJun 20.
  • 86°F
  • 75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 13mph SSW
  • Humidity: 58%
  • UV index: 6
  • Precip. probability: 17%
  • Precipitation: 0"
  • 5:14 am 8:32 pm CDT
SatJun 21.
  • 97°F
  • 77°F
Sunny
Sunny
  • Wind: 17mph SSW
  • Humidity: 55%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:14 am 8:33 pm CDT
SunJun 22.
  • 97°F
  • 77°F
Sunny
Sunny
  • Wind: 16mph SW
  • Humidity: 51%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:14 am 8:33 pm CDT
MonJun 23.
  • 97°F
  • 75°F
Sunny
Sunny
  • Wind: 14mph SW
  • Humidity: 49%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:15 am 8:33 pm CDT
TueJun 24.
  • 90°F
  • 66°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 8mph W
  • Humidity: 57%
  • UV index: 9
  • Precip. probability: 32%
  • Precipitation: 0.08"
  • 5:15 am 8:33 pm CDT
WedJun 25.
  • 81°F
  • 64°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph ENE
  • Humidity: 68%
  • UV index: 7
  • Precip. probability: 46%
  • Precipitation: 0.39"
  • 5:15 am 8:33 pm CDT
ThuJun 26.
  • 82°F
  • 66°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 8mph SSE
  • Humidity: 69%
  • UV index: 7
  • Precip. probability: 36%
  • Precipitation: 0.28"
  • 5:16 am 8:33 pm CDT
FriJun 27.
  • 82°F
  • 64°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 64%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:16 am 8:33 pm CDT
Models point to a combination of turbulent, gloomy and sun-filled weather is expected.
Rainfall is forecasted for Wednesday, Tuesday through next Thursday.
Temperature variation will be noticeable in the upcoming days. Highs will range from 78.8°F to 96.8°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 62.6°F and 77°F.
The hottest days in Arlington Heights will be Saturday through Monday, with a maximum of 96.8°F; today is the coldest day, with a maximum temperature of 78.8°F.
Combining with the humidity, the maximum feel-like temperature may increase substantially and vary between 78.8°F and a burning hot 114.8°F.
Updated: Jun 18, 2025 @ 09:55:29 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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