Weather in Crystal Lake, Illinois, United States

7-Day Detailed Weather Forecast for Crystal Lake

Today

Temperature: 76°F

Wind Speed: 10 mph

Wind Direction: NNE

Forecast: Mostly sunny, with a high near 76. North northeast wind around 10 mph, with gusts as high as 20 mph.

Tonight

Temperature: 61°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: Patchy fog after midnight. Mostly clear, with a low around 61. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

Temperature: 80°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Patchy fog before 8am. Sunny. High near 80, with temperatures falling to around 78 in the afternoon. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Temperature: 59°F

Wind Speed: 0 to 5 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 59. North northeast wind 0 to 5 mph, with gusts as high as 10 mph.

Friday

Temperature: 82°F

Wind Speed: 0 to 5 mph

Wind Direction: WNW

Forecast: Mostly sunny, with a high near 82. West northwest wind 0 to 5 mph.

Friday Night

Temperature: 62°F

Wind Speed: 0 to 5 mph

Wind Direction: W

Forecast: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.

Saturday

Temperature: 78°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms before 1pm. Sunny, with a high near 78.

Saturday Night

Temperature: 54°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 54.

Sunday

Temperature: 71°F

Wind Speed: 5 to 15 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 71.

Sunday Night

Temperature: 50°F

Wind Speed: 5 to 15 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 50.

Monday

Temperature: 69°F

Wind Speed: 5 to 15 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 69.

Monday Night

Temperature: 48°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 48.

Tuesday

Temperature: 71°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Sunny, with a high near 71.

Tuesday Night

Temperature: 50°F

Wind Speed: 0 to 5 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 50.