Weather forecast for 10 days
Saint Clair, MO

Weather forecast for the weekend

Saturday, Jun 21.

Sunny
5:39 am

8:32 pm
CDT
Sunny
93°F / 73°F
  • Wind: 12mph SSW
  • Humidity: 62%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 10
On Saturday, in Saint Clair, the outlook remains bright and sunny.
Temperatures are predicted to range from a maximum of a hot 93.2°F to a minimum of a moderately hot 73.4°F.
The temperature will be higher and more consistent with July's average high of 88.9°F than with June's usual.
Sunrise will be at 5:39 am and sunset at 8:32 pm; the daylight will last for 14h and 53min.

Sunday, Jun 22.

Sunny
5:39 am

8:32 pm
CDT
Sunny
93°F / 73°F
  • Wind: 11mph SSW
  • Humidity: 60%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 10
On Sunday, June 22, sunny skies and pleasant visibility are expected.
The predicted temperature range extends from a high of a hot 93.2°F to a low of a moderately hot 73.4°F.
An unusual hotter pattern is expected, as the day’s high matches July's typical max of 88.9°F.
Sunrise will be at 5:39 am and sunset at 8:32 pm; the daylight will last for 14h and 53min.

Frequently asked questions

What is the weather forecast for Saint Clair for Saturday?
On Saturday, skies are expected to be clear and full of sunshine.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 93.2°F, while the minimum temperature will be 73.4°F.
What is the weather forecast for Saint Clair for Sunday?
On Sunday, in Saint Clair, expect bright skies and plenty of sunshine.
What will be the highest temperature in Saint Clair on Sunday?
On Sunday, the highest temperature will be 93.2°F, while the lowest temperature will be 73.4°F.
What is the weather forecast for Saint Clair for the next ten days?
In Saint Clair, a combination of mostly clear, unstable and dull weather is predicted for the next ten days.
Will it rain in the next ten days in Saint Clair?
Rain is predicted only for next Wednesday. With a probability of 38%, light precipitation of 0.24" is expected.
How hot will it be in the next ten days?
The maximum temperature will range between 78.8°F and 93.2°F, while the minimum temperature will range between 64.4°F and 73.4°F.
Combining with the humidity, the maximum feel-like temperature will vary between 78.8°F and 109.4°F.
What will be the hottest and the coldest days in Saint Clair?
With a maximum temperature of 93.2°F, Saturday and Sunday will be the hottest days. Today is the coldest day, with a maximum temperature of 78.8°F.

Long-term weather forecast

MonJun 16.
  • 79°F
  • 68°F
Cloudy
Cloudy
  • Wind: 6mph ESE
  • Humidity: 85%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:38 am 8:31 pm CDT
TueJun 17.
  • 86°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SW
  • Humidity: 76%
  • UV index: 10
  • Precip. probability: 21%
  • Precipitation: 0"
  • 5:38 am 8:31 pm CDT
WedJun 18.
  • 82°F
  • 64°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 14mph SW
  • Humidity: 79%
  • UV index: 8
  • Precip. probability: 44%
  • Precipitation: 0"
  • 5:38 am 8:31 pm CDT
ThuJun 19.
  • 88°F
  • 66°F
Sunny
Sunny
  • Wind: 6mph WNW
  • Humidity: 66%
  • UV index: 10
  • Precip. probability: 9%
  • Precipitation: 0.24"
  • 5:38 am 8:32 pm CDT
FriJun 20.
  • 90°F
  • 73°F
Sunny
Sunny
  • Wind: 9mph S
  • Humidity: 65%
  • UV index: 10
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:38 am 8:32 pm CDT
SatJun 21.
  • 93°F
  • 73°F
Sunny
Sunny
  • Wind: 12mph SSW
  • Humidity: 62%
  • UV index: 10
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:39 am 8:32 pm CDT
SunJun 22.
  • 93°F
  • 73°F
Sunny
Sunny
  • Wind: 11mph SSW
  • Humidity: 60%
  • UV index: 10
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:39 am 8:32 pm CDT
MonJun 23.
  • 91°F
  • 72°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph SSW
  • Humidity: 61%
  • UV index: 10
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:39 am 8:32 pm CDT
TueJun 24.
  • 86°F
  • 70°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 6mph WSW
  • Humidity: 70%
  • UV index: 10
  • Precip. probability: 33%
  • Precipitation: 0"
  • 5:39 am 8:33 pm CDT
WedJun 25.
  • 84°F
  • 70°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 7mph SW
  • Humidity: 74%
  • UV index: 9
  • Precip. probability: 38%
  • Precipitation: 0.08"
  • 5:40 am 8:33 pm CDT
For the next ten days, a combination of sunny, lightning-active and cloudy weather is anticipated.
With a probability of 38%, rainfall is forecasted only for next Wednesday. The precipitation will be light at 0.24".
Expect a substantial fluctuation in daytime highs in the next ten days. Highs will range from 78.8°F to 93.2°F, while the minimum temperature is forecast to range between 64.4°F and 73.4°F.
With a maximum temperature of 93.2°F, Saturday and Sunday will be the hottest days in Saint Clair; 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 range between 78.8°F and a blistering 109.4°F.
Updated: Jun 16, 2025 @ 07:45:33 UTC
Published by: Weather U.S. | About Us
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