Weather in DeKalb, Illinois, United States

7-Day Detailed Weather Forecast for DeKalb

This Afternoon

Temperature: 84°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 84. South wind around 5 mph.

Tonight

Temperature: 66°F

Wind Speed: 5 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 66. South southeast wind around 5 mph.

Thursday

Temperature: 88°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 88. South wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.

Thursday Night

Temperature: 70°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A slight chance of rain showers after 1am. Partly cloudy, with a low around 70. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Friday

Temperature: 89°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: A slight chance of rain showers before 7am. Mostly sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Friday Night

Temperature: 71°F

Wind Speed: 10 mph

Wind Direction: SSE

Forecast: Mostly clear, with a low around 71.

Saturday

Temperature: 91°F

Wind Speed: 10 to 15 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 91.

Saturday Night

Temperature: 72°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

Sunday

Temperature: 88°F

Wind Speed: 10 mph

Wind Direction: SSW

Forecast: A slight chance of showers and thunderstorms. Partly sunny, with a high near 88.

Sunday Night

Temperature: 69°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Monday

Temperature: 86°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 86.

Monday Night

Temperature: 69°F

Wind Speed: 5 to 10 mph

Wind Direction: WSW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Tuesday

Temperature: 86°F

Wind Speed: 5 to 10 mph

Wind Direction: WSW

Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Tuesday Night

Temperature: 67°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67.