Weather in Decatur, Illinois, United States

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7-Day Detailed Weather Forecast for Decatur

This Afternoon

Temperature: 63°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: Sunny, with a high near 63. South wind around 10 mph.

Tonight

Temperature: 39°F

Wind Speed: 1 to 7 mph

Wind Direction: SSE

Forecast: Clear, with a low around 39. South southeast wind 1 to 7 mph.

Monday

Temperature: 72°F

Wind Speed: 2 mph

Wind Direction: SSE

Forecast: Sunny. High near 72, with temperatures falling to around 67 in the afternoon. South southeast wind around 2 mph.

Monday Night

Temperature: 40°F

Wind Speed: 1 mph

Wind Direction: ESE

Forecast: Mostly clear, with a low around 40. East southeast wind around 1 mph.

Tuesday

Temperature: 74°F

Wind Speed: 2 mph

Wind Direction: E

Forecast: Sunny, with a high near 74. East wind around 2 mph.

Tuesday Night

Temperature: 44°F

Wind Speed: 2 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 44. East wind around 2 mph.

Wednesday

Temperature: 76°F

Wind Speed: 0 mph

Wind Direction:

Forecast: Sunny, with a high near 76. Wind around 0 mph.

Wednesday Night

Temperature: 47°F

Wind Speed: 0 mph

Wind Direction:

Forecast: Clear, with a low around 47.

Thursday

Temperature: 75°F

Wind Speed: 2 mph

Wind Direction: NE

Forecast: Sunny, with a high near 75.

Thursday Night

Temperature: 49°F

Wind Speed: 3 mph

Wind Direction: ENE

Forecast: Mostly clear, with a low around 49.

Friday

Temperature: 74°F

Wind Speed: 3 to 7 mph

Wind Direction: ESE

Forecast: Sunny, with a high near 74.

Friday Night

Temperature: 48°F

Wind Speed: 7 mph

Wind Direction: ESE

Forecast: Mostly clear, with a low around 48.

Saturday

Temperature: 74°F

Wind Speed: 7 mph

Wind Direction: SE

Forecast: Sunny, with a high near 74.

Saturday Night

Temperature: 50°F

Wind Speed: 6 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 50.