Weather in Round Lake Beach, Illinois, United States

7-Day Detailed Weather Forecast for Round Lake Beach

Overnight

Temperature: 48°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Widespread fog. Mostly cloudy, with a low around 48. Southeast wind around 5 mph, with gusts as high as 10 mph.

Friday

Temperature: 80°F

Wind Speed: 5 to 20 mph

Wind Direction: SSE

Forecast: Widespread fog before 9am, then a slight chance of showers and thunderstorms. Partly sunny. High near 80, with temperatures falling to around 78 in the afternoon. South southeast wind 5 to 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.

Friday Night

Temperature: 42°F

Wind Speed: 15 mph

Wind Direction: SW

Forecast: Showers and thunderstorms before 10pm, then showers and thunderstorms. Cloudy. Low around 42, with temperatures rising to around 47 overnight. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday

Temperature: 54°F

Wind Speed: 15 to 20 mph

Wind Direction: WNW

Forecast: Showers and thunderstorms likely before 1pm. Partly sunny, with a high near 54. West northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

Saturday Night

Temperature: 33°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 33. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Sunday

Temperature: 49°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: Mostly sunny, with a high near 49.

Sunday Night

Temperature: 30°F

Wind Speed: 0 to 10 mph

Wind Direction: N

Forecast: Areas of frost after 1am. Mostly clear, with a low around 30.

Monday

Temperature: 56°F

Wind Speed: 0 to 10 mph

Wind Direction: SE

Forecast: Areas of frost before 8am. Sunny, with a high near 56.

Monday Night

Temperature: 45°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 45.

Tuesday

Temperature: 72°F

Wind Speed: 10 to 15 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 72.

Tuesday Night

Temperature: 46°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 46.

Wednesday

Temperature: 67°F

Wind Speed: 5 to 10 mph

Wind Direction: ENE

Forecast: Sunny, with a high near 67.

Wednesday Night

Temperature: 46°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 46.

Thursday

Temperature: 68°F

Wind Speed: 5 to 10 mph

Wind Direction: SE

Forecast: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 68.