Weather forecast for 10 days
Collinsville, IL

Weather forecast for the weekend

Saturday, Jun 21.

Sunny
5:34 am

8:29 pm
CDT
Sunny
95°F / 75°F
  • Wind: 14mph SSW
  • Humidity: 64%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
On Saturday, June 21, sunny conditions are expected to continue.
Temperatures will oscillate between a fiery hot 95°F at their highest and a warm 75.2°F at their lowest.
It will be hotter, as the maximum temperature reflects July's norm of 85.6°F instead of June's.
Sunrise will be at 5:34 am and sunset at 8:29 pm; the daylight will last for 14h and 56min.

Sunday, Jun 22.

Sunny
5:34 am

8:29 pm
CDT
Sunny
93°F / 75°F
  • Wind: 12mph SSW
  • Humidity: 61%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 9
On Sunday, June 22, sunny skies are in store, with excellent visibility.
The highest predicted temperature is a tropical 93.2°F, while the lowest temperature will be a temperate 75.2°F.
Conditions will lean hotter, as the high of 93.2°F is more representative of July's climate.
Sunrise will be at 5:34 am and sunset at 8:29 pm; the daylight will last for 14h and 55min.

Frequently asked questions

What is the weather forecast for Collinsville for Saturday?
On Saturday, conditions remain stable and sunny, with little cloud presence.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 95°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Collinsville for Sunday?
On Sunday, sunshine will likely continue with scattered clouds at most.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 93.2°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Collinsville for the next ten days?
In Collinsville, a combination of clear, cloudy and unstable weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Wednesday and next Wednesday in Collinsville. With moderate precipitation of 0.59", 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 77°F and 95°F, while the minimum temperature will be between 66.2°F and 75.2°F.
Taking the humidity into consideration, the maximum feel-like temperature will vary between 77°F and 116.6°F.
What will be the hottest and the coldest days?
With the maximum temperature of 95°F, Saturday will be the hottest day. Today is the coldest day, with a maximum temperature of 77°F.

Long-term weather forecast

MonJun 16.
  • 77°F
  • 68°F
Cloudy
Cloudy
  • Wind: 7mph SE
  • Humidity: 84%
  • UV index: 6
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:33 am 8:28 pm CDT
TueJun 17.
  • 88°F
  • 72°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 6mph SSW
  • Humidity: 75%
  • UV index: 9
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:33 am 8:28 pm CDT
WedJun 18.
  • 84°F
  • 66°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 14mph SW
  • Humidity: 75%
  • UV index: 9
  • Precip. probability: 67%
  • Precipitation: 0.59"
  • 5:33 am 8:28 pm CDT
ThuJun 19.
  • 88°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WNW
  • Humidity: 65%
  • UV index: 9
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:33 am 8:29 pm CDT
FriJun 20.
  • 90°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SSW
  • Humidity: 65%
  • UV index: 9
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:33 am 8:29 pm CDT
SatJun 21.
  • 95°F
  • 75°F
Sunny
Sunny
  • Wind: 14mph SSW
  • Humidity: 64%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:34 am 8:29 pm CDT
SunJun 22.
  • 93°F
  • 75°F
Sunny
Sunny
  • Wind: 12mph SSW
  • Humidity: 61%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:34 am 8:29 pm CDT
MonJun 23.
  • 93°F
  • 73°F
Sunny
Sunny
  • Wind: 10mph SSW
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 13%
  • Precipitation: 0"
  • 5:34 am 8:29 pm CDT
TueJun 24.
  • 88°F
  • 72°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph SSW
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 20%
  • Precipitation: 0"
  • 5:34 am 8:30 pm CDT
WedJun 25.
  • 86°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 69%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • 5:35 am 8:30 pm CDT
During the ten-day period, clear, cloudy and turbulent weather is anticipated.
Rainfall is anticipated on Wednesday and next Wednesday.
Temperature fluctuation will be noticeable over the next several days. Forecast highs will fluctuate between 77°F and 95°F, while the low temperature range extends from 66.2°F to 75.2°F.
With the highest temperature of 95°F, Saturday will be the hottest day; today is the coldest day, with a maximum temperature of 77°F.
Including the humidity's impact, the maximum feel-like temperature may increase vastly and range between 77°F and a life-threatening 116.6°F.
Updated: Jun 16, 2025 @ 17:41:09 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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