Weather in Lake Forest, Illinois, United States

7-Day Detailed Weather Forecast for Lake Forest

This Afternoon

Temperature: 76°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. East southeast wind around 5 mph, with gusts as high as 15 mph.

Tonight

Temperature: 61°F

Wind Speed: 5 mph

Wind Direction: ENE

Forecast: Partly cloudy, with a low around 61. East northeast wind around 5 mph, with gusts as high as 10 mph.

Thursday

Temperature: 75°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Sunny. High near 75, with temperatures falling to around 73 in the afternoon. Northeast wind 5 to 10 mph.

Thursday Night

Temperature: 61°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Mostly clear, with a low around 61. Northeast wind 5 to 10 mph.

Friday

Temperature: 80°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: Mostly sunny, with a high near 80. East southeast wind 5 to 10 mph.

Friday Night

Temperature: 67°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

Saturday

Temperature: 86°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.

Saturday Night

Temperature: 66°F

Wind Speed: 5 mph

Wind Direction: ENE

Forecast: A slight chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 66.

Sunday

Temperature: 78°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 78.

Sunday Night

Temperature: 66°F

Wind Speed: 5 to 10 mph

Wind Direction: ENE

Forecast: Partly cloudy, with a low around 66.

Monday

Temperature: 78°F

Wind Speed: 5 to 10 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 78.

Monday Night

Temperature: 64°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: Partly cloudy, with a low around 64.

Tuesday

Temperature: 78°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Mostly sunny, with a high near 78.

Tuesday Night

Temperature: 63°F

Wind Speed: 5 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 63.