Weather forecast for 10 days
Saint Charles, MO

Weather forecast for the weekend

Saturday, May 31.

Mostly Sunny
5:37 am

8:22 pm
CDT
Mostly Sunny
86°F / 63°F
  • Wind: 13mph WNW
  • Humidity: 41%
  • Precip. probability: 8%
  • Precipitation: 0"
  • UV index: 9
On Saturday, May 31, sunshine will dominate, with only occasional cloud cover.
Rainfall is not forecasted. Predicted temperatures will peak at a tropical 86°F and dip to a minimum of a comfortable 62.6°F.
On Saturday, temperatures will feel hotter as the forecast mirrors June's average high rather than May's.
Sunrise will be at 5:37 am and sunset at 8:22 pm; the daylight will last for 14h and 44min.

Sunday, Jun 1.

Sunny
5:37 am

8:22 pm
CDT
Sunny
86°F / 63°F
  • Wind: 6mph N
  • Humidity: 47%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 9
On Sunday, June 1, sunny conditions are expected to continue.
Rainfall is not predicted. A temperature range of a humid 86°F to a comfortable 62.6°F is anticipated.
It will be hotter, as the maximum temperature reflects June's norm of 84.2°F instead of May's.
Sunrise will be at 5:37 am and sunset at 8:22 pm; the daylight will last for 14h and 46min.

Frequently asked questions

What is the weather forecast for Saint Charles for Saturday?
On Saturday, sun-filled skies will remain for most of the day.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 86°F, while the lowest temperature will be 62.6°F.
What is the weather forecast for Saint Charles for Sunday?
On Sunday, conditions will remain bright with clear skies.
Will it rain on Sunday?
No, it will not rain on Sunday in Saint Charles.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 86°F, while the minimum temperature will be 62.6°F.
What is the weather forecast for Saint Charles for the next ten days?
In Saint Charles, weather will be unstable, and a combination of dry and sunny, rainy, lightning-active and overcast weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for next Thursday through next Saturday in Saint Charles. With light precipitation of 0.2", next Saturday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 68°F and 89.6°F, as the minimum temperature will vary between 55.4°F and 71.6°F.
What will be the hottest and the coldest days?
With a maximum temperature of 89.6°F, Monday and Tuesday will be the hottest days. Today is the coldest day, with a maximum temperature of 68°F.

Long-term weather forecast

ThuMay 29.
  • 68°F
  • 55°F
PM Light Rain
PM Light Rain
  • Wind: 6mph NNW
  • Humidity: 72%
  • UV index: 4
  • Precip. probability: 62%
  • Precipitation: 0"
  • 5:38 am 8:20 pm CDT
FriMay 30.
  • 81°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph NW
  • Humidity: 53%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0.12"
  • 5:37 am 8:21 pm CDT
SatMay 31.
  • 86°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph WNW
  • Humidity: 41%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:37 am 8:22 pm CDT
SunJun 1.
  • 86°F
  • 63°F
Sunny
Sunny
  • Wind: 6mph N
  • Humidity: 47%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:37 am 8:22 pm CDT
MonJun 2.
  • 90°F
  • 68°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph SSE
  • Humidity: 45%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:36 am 8:23 pm CDT
TueJun 3.
  • 90°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph S
  • Humidity: 51%
  • UV index: 9
  • Precip. probability: 21%
  • Precipitation: 0"
  • 5:36 am 8:24 pm CDT
WedJun 4.
  • 84°F
  • 66°F
AM Showers
AM Showers
  • Wind: 13mph SSW
  • Humidity: 61%
  • UV index: 7
  • Precip. probability: 33%
  • Precipitation: 0"
  • 5:36 am 8:24 pm CDT
ThuJun 5.
  • 81°F
  • 64°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 11mph SW
  • Humidity: 57%
  • UV index: 9
  • Precip. probability: 33%
  • Precipitation: 0.12"
  • 5:35 am 8:25 pm CDT
FriJun 6.
  • 79°F
  • 63°F
AM Showers
AM Showers
  • Wind: 10mph WSW
  • Humidity: 67%
  • UV index: 9
  • Precip. probability: 41%
  • Precipitation: 0.16"
  • 5:35 am 8:26 pm CDT
SatJun 7.
  • 81°F
  • 64°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 8mph SW
  • Humidity: 65%
  • UV index: 9
  • Precip. probability: 36%
  • Precipitation: 0.2"
  • 5:35 am 8:26 pm CDT
The weather will be unstable for the next ten days, and a mix of sun-filled, rain-soaked, turbulent and dull weather is forecasted.
Rainfall is anticipated on next Thursday through next Saturday.
Expect a substantial fluctuation in daytime highs in the next ten days. The temperature is expected to swing from 68°F up to 89.6°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 55.4°F and 71.6°F.
Monday and Tuesday, with the highest temperature of 89.6°F, will be the hottest days in Saint Charles; today is the coldest day, with a maximum temperature of 68°F.
Updated: May 29, 2025 @ 07:18:04 UTC
Published by: Weather Atlas | About Us
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