Weather in Saint Charles, Missouri, United States

7-Day Detailed Weather Forecast for Saint Charles

This Afternoon

Temperature: 54°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Mostly sunny. High near 54, with temperatures falling to around 50 in the afternoon. South wind around 6 mph.

Tonight

Temperature: 46°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: Patchy fog between 9pm and 10pm, then rain likely and patchy fog and a slight chance of thunderstorms. Mostly cloudy. Low around 46, with temperatures rising to around 54 overnight. South wind around 7 mph. Chance of precipitation is 60%.

Monday

Temperature: 61°F

Wind Speed: 6 to 13 mph

Wind Direction: W

Forecast: Patchy fog and a slight chance of thunderstorms and a slight chance of rain before 9am. Mostly sunny. High near 61, with temperatures falling to around 51 in the afternoon. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Monday Night

Temperature: 34°F

Wind Speed: 2 to 8 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 34. West wind 2 to 8 mph.

Tuesday

Temperature: 52°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 52. South wind 2 to 6 mph.

Tuesday Night

Temperature: 39°F

Wind Speed: 3 to 7 mph

Wind Direction: S

Forecast: Rain likely. Mostly cloudy. Low around 39, with temperatures rising to around 43 overnight. Chance of precipitation is 70%.

Wednesday

Temperature: 47°F

Wind Speed: 8 to 13 mph

Wind Direction: NW

Forecast: A slight chance of rain before noon. Partly sunny, with a high near 47. Chance of precipitation is 20%.

Wednesday Night

Temperature: 23°F

Wind Speed: 3 to 8 mph

Wind Direction: N

Forecast: Partly cloudy, with a low around 23.

Thursday

Temperature: 40°F

Wind Speed: 3 to 7 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 40.

Thursday Night

Temperature: 28°F

Wind Speed: 6 to 9 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 28.

Friday

Temperature: 40°F

Wind Speed: 12 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 40.

Friday Night

Temperature: 21°F

Wind Speed: 8 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 21.

Saturday

Temperature: 35°F

Wind Speed: 9 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 35.

Saturday Night

Temperature: 21°F

Wind Speed: 7 mph

Wind Direction: NE

Forecast: Mostly clear, with a low around 21.