Weather in Grayslake, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Grayslake
This Afternoon |
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Temperature: 89°F Wind Speed: 15 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly sunny. High near 89, with temperatures falling to around 85 in the afternoon. Heat index values as high as 105. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible. |
Tonight |
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Temperature: 67°F Wind Speed: 10 to 15 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 67. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible. |
Tuesday |
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Temperature: 77°F Wind Speed: 10 to 15 mph Wind Direction: NNE Forecast: Partly sunny. High near 77, with temperatures falling to around 75 in the afternoon. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. |
Tuesday Night |
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Temperature: 60°F Wind Speed: 0 to 15 mph Wind Direction: NNE Forecast: Mostly clear, with a low around 60. North northeast wind 0 to 15 mph. |
Wednesday |
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Temperature: 80°F Wind Speed: 0 to 5 mph Wind Direction: NNE Forecast: Sunny, with a high near 80. North northeast wind 0 to 5 mph, with gusts as high as 10 mph. |
Wednesday Night |
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Temperature: 64°F Wind Speed: 0 to 5 mph Wind Direction: NNE Forecast: Mostly clear, with a low around 64. |
Thursday |
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Temperature: 84°F Wind Speed: 0 to 5 mph Wind Direction: WSW Forecast: Mostly sunny, with a high near 84. |
Thursday Night |
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Temperature: 66°F Wind Speed: 0 to 5 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. |
Friday |
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Temperature: 82°F Wind Speed: 0 to 5 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. |
Friday Night |
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Temperature: 64°F Wind Speed: 0 to 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. |
Saturday |
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Temperature: 80°F Wind Speed: 0 to 5 mph Wind Direction: NNW Forecast: A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. |
Saturday Night |
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Temperature: 63°F Wind Speed: 0 to 5 mph Wind Direction: NNW Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. |
Sunday |
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Temperature: 80°F Wind Speed: 0 to 10 mph Wind Direction: N Forecast: Mostly sunny, with a high near 80. |
Sunday Night |
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Temperature: 61°F Wind Speed: 0 to 5 mph Wind Direction: N Forecast: Mostly clear, with a low around 61. |