Weather in Grayslake, Illinois, United States

7-Day Detailed Weather Forecast for Grayslake

This Afternoon

Temperature: 79°F

Wind Speed: 20 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms after 5pm. Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Temperature: 42°F

Wind Speed: 15 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 9pm, then showers and thunderstorms between 9pm and 11pm, then showers and thunderstorms. Mostly cloudy. Low around 42, with temperatures rising to around 47 overnight. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Saturday

Temperature: 50°F

Wind Speed: 20 mph

Wind Direction: WNW

Forecast: A slight chance of rain showers before 7am. Mostly sunny, with a high near 50. West northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Saturday Night

Temperature: 32°F

Wind Speed: 5 to 15 mph

Wind Direction: W

Forecast: Areas of frost after 3am. Mostly clear, with a low around 32. West wind 5 to 15 mph, with gusts as high as 30 mph.

Sunday

Temperature: 49°F

Wind Speed: 5 to 15 mph

Wind Direction: W

Forecast: Areas of frost before 7am. Mostly sunny, with a high near 49. West wind 5 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Temperature: 30°F

Wind Speed: 0 to 10 mph

Wind Direction: NNW

Forecast: Widespread frost after 11pm. Mostly clear, with a low around 30.

Monday

Temperature: 52°F

Wind Speed: 0 to 10 mph

Wind Direction: ESE

Forecast: Widespread frost before 9am. Sunny, with a high near 52.

Monday Night

Temperature: 42°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 42.

Tuesday

Temperature: 71°F

Wind Speed: 10 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 71.

Tuesday Night

Temperature: 45°F

Wind Speed: 5 to 10 mph

Wind Direction: NNW

Forecast: Partly cloudy, with a low around 45.

Wednesday

Temperature: 66°F

Wind Speed: 5 to 10 mph

Wind Direction: ENE

Forecast: Sunny, with a high near 66.

Wednesday Night

Temperature: 49°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 49.

Thursday

Temperature: 76°F

Wind Speed: 5 to 15 mph

Wind Direction: SSE

Forecast: Mostly sunny, with a high near 76.

Thursday Night

Temperature: 58°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58.