Weather in Grayslake, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Grayslake
This Afternoon |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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Temperature: 42°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 42. |
Tuesday |
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Temperature: 71°F Wind Speed: 10 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 71. |
Tuesday Night |
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Temperature: 45°F Wind Speed: 5 to 10 mph Wind Direction: NNW Forecast: Partly cloudy, with a low around 45. |
Wednesday |
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Temperature: 66°F Wind Speed: 5 to 10 mph Wind Direction: ENE Forecast: Sunny, with a high near 66. |
Wednesday Night |
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Temperature: 49°F Wind Speed: 5 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 49. |
Thursday |
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Temperature: 76°F Wind Speed: 5 to 15 mph Wind Direction: SSE Forecast: Mostly sunny, with a high near 76. |
Thursday Night |
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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. |