Weather in St. Charles, Illinois, United States

7-Day Detailed Weather Forecast for St. Charles

Overnight

Temperature: 59°F

Wind Speed: 0 mph

Wind Direction:

Forecast: Areas of fog. Cloudy, with a low around 59. East northeast wind around 0 mph.

Wednesday

Temperature: 81°F

Wind Speed: 0 to 10 mph

Wind Direction: E

Forecast: Areas of fog before 9am, then isolated showers and thunderstorms. Partly sunny, with a high near 81. East wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night

Temperature: 60°F

Wind Speed: 5 to 10 mph

Wind Direction: E

Forecast: Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 60. East wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Thursday

Temperature: 91°F

Wind Speed: 5 to 20 mph

Wind Direction: SSE

Forecast: A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 91. South southeast wind 5 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.

Thursday Night

Temperature: 62°F

Wind Speed: 10 to 25 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 62. Southwest wind 10 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.

Friday

Temperature: 87°F

Wind Speed: 10 to 25 mph

Wind Direction: SSW

Forecast: A slight chance of rain showers after 4pm. Sunny, with a high near 87. Chance of precipitation is 20%.

Friday Night

Temperature: 56°F

Wind Speed: 15 to 25 mph

Wind Direction: SW

Forecast: A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 56. Chance of precipitation is 20%.

Saturday

Temperature: 72°F

Wind Speed: 15 to 20 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 72.

Saturday Night

Temperature: 50°F

Wind Speed: 5 to 20 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 50.

Sunday

Temperature: 70°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: Mostly sunny, with a high near 70.

Sunday Night

Temperature: 47°F

Wind Speed: 10 mph

Wind Direction: ENE

Forecast: Partly cloudy, with a low around 47.

Monday

Temperature: 70°F

Wind Speed: 10 to 15 mph

Wind Direction: E

Forecast: A chance of rain showers after 7am. Partly sunny, with a high near 70.

Monday Night

Temperature: 55°F

Wind Speed: 15 mph

Wind Direction: E

Forecast: A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 55.

Tuesday

Temperature: 74°F

Wind Speed: 15 to 20 mph

Wind Direction: SE

Forecast: Showers and thunderstorms. Mostly cloudy, with a high near 74.