Weather in St. Charles, Illinois, United States

7-Day Detailed Weather Forecast for St. Charles

This Afternoon

Temperature: 71°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: Scattered showers and thunderstorms before 4pm. Mostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Temperature: 51°F

Wind Speed: 5 mph

Wind Direction: ENE

Forecast: Patchy fog after 10pm. Partly cloudy, with a low around 51. East northeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

Friday

Temperature: 81°F

Wind Speed: 5 to 20 mph

Wind Direction: SSE

Forecast: Patchy fog before 8am. Partly sunny, with a high near 81. South southeast wind 5 to 20 mph, with gusts as high as 35 mph.

Friday Night

Temperature: 45°F

Wind Speed: 15 to 20 mph

Wind Direction: SSW

Forecast: Showers and thunderstorms after 7pm. Cloudy, with a low around 45. South southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

Saturday

Temperature: 53°F

Wind Speed: 20 mph

Wind Direction: WNW

Forecast: Rain showers before 1pm. Partly sunny, with a high near 53. West northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Saturday Night

Temperature: 33°F

Wind Speed: 10 to 20 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 33.

Sunday

Temperature: 51°F

Wind Speed: 10 to 20 mph

Wind Direction: WNW

Forecast: Mostly sunny, with a high near 51.

Sunday Night

Temperature: 31°F

Wind Speed: 0 to 15 mph

Wind Direction: N

Forecast: Areas of frost after 2am. Partly cloudy, with a low around 31.

Monday

Temperature: 59°F

Wind Speed: 5 to 10 mph

Wind Direction: SE

Forecast: Areas of frost before 9am. Sunny, with a high near 59.

Monday Night

Temperature: 48°F

Wind Speed: 10 to 15 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 48.

Tuesday

Temperature: 73°F

Wind Speed: 15 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 73.

Tuesday Night

Temperature: 49°F

Wind Speed: 5 to 15 mph

Wind Direction: WNW

Forecast: Partly cloudy, with a low around 49.

Wednesday

Temperature: 72°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Sunny, with a high near 72.

Wednesday Night

Temperature: 49°F

Wind Speed: 5 to 10 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 49.