Weather in Decatur, Illinois, United States

7-Day Detailed Weather Forecast for Decatur

Overnight

Temperature: 40°F

Wind Speed: 10 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 18 mph.

Tuesday

Temperature: 56°F

Wind Speed: 5 to 8 mph

Wind Direction: W

Forecast: Mostly sunny. High near 56, with temperatures falling to around 51 in the afternoon. West wind 5 to 8 mph, with gusts as high as 16 mph.

Tuesday Night

Temperature: 35°F

Wind Speed: 3 to 7 mph

Wind Direction: NE

Forecast: Partly cloudy, with a low around 35. Northeast wind 3 to 7 mph.

Wednesday

Temperature: 54°F

Wind Speed: 7 to 10 mph

Wind Direction: SE

Forecast: A slight chance of rain after noon. Cloudy, with a high near 54. Southeast wind 7 to 10 mph, with gusts as high as 17 mph.

Wednesday Night

Temperature: 49°F

Wind Speed: 5 to 8 mph

Wind Direction: SW

Forecast: A chance of rain. Mostly cloudy, with a low around 49. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.

Christmas Day

Temperature: 60°F

Wind Speed: 7 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a high near 60. East southeast wind around 7 mph.

Thursday Night

Temperature: 53°F

Wind Speed: 7 to 13 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 53. South wind 7 to 13 mph, with gusts as high as 20 mph.

Friday

Temperature: 65°F

Wind Speed: 7 to 13 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 65.

Friday Night

Temperature: 44°F

Wind Speed: 6 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 44.

Saturday

Temperature: 62°F

Wind Speed: 6 to 10 mph

Wind Direction: SSE

Forecast: Mostly cloudy, with a high near 62.

Saturday Night

Temperature: 32°F

Wind Speed: 10 to 15 mph

Wind Direction: WSW

Forecast: A slight chance of rain. Mostly cloudy, with a low around 32.

Sunday

Temperature: 41°F

Wind Speed: 16 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 41.

Sunday Night

Temperature: 16°F

Wind Speed: 13 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 16.

Monday

Temperature: 30°F

Wind Speed: 10 mph

Wind Direction: NW

Forecast: Sunny, with a high near 30.