Weather in Decatur, Illinois, United States

7-Day Detailed Weather Forecast for Decatur

This Afternoon

Temperature: 83°F

Wind Speed: 12 mph

Wind Direction: WNW

Forecast: A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind around 12 mph. Chance of precipitation is 20%.

Tonight

Temperature: 56°F

Wind Speed: 6 to 10 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 56. Northwest wind 6 to 10 mph.

Sunday

Temperature: 76°F

Wind Speed: 6 to 13 mph

Wind Direction: NW

Forecast: Sunny, with a high near 76. Northwest wind 6 to 13 mph, with gusts as high as 18 mph.

Sunday Night

Temperature: 51°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 51. Northwest wind 5 to 10 mph.

Monday

Temperature: 75°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 16 mph.

Monday Night

Temperature: 49°F

Wind Speed: 2 to 7 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 49. Northwest wind 2 to 7 mph.

Tuesday

Temperature: 75°F

Wind Speed: 2 to 8 mph

Wind Direction: NNW

Forecast: Sunny, with a high near 75. North northwest wind 2 to 8 mph.

Tuesday Night

Temperature: 50°F

Wind Speed: 1 to 7 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 50.

Wednesday

Temperature: 76°F

Wind Speed: 2 mph

Wind Direction: NW

Forecast: Sunny, with a high near 76.

Wednesday Night

Temperature: 54°F

Wind Speed: 2 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 54.

Thursday

Temperature: 80°F

Wind Speed: 2 to 6 mph

Wind Direction: SSW

Forecast: Mostly sunny, with a high near 80.

Thursday Night

Temperature: 57°F

Wind Speed: 3 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 57.

Friday

Temperature: 81°F

Wind Speed: 2 to 6 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 81.

Friday Night

Temperature: 59°F

Wind Speed: 6 mph

Wind Direction: ENE

Forecast: Partly cloudy, with a low around 59.