Weather in Westchester, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Westchester
This Afternoon |
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Temperature: 91°F Wind Speed: 5 mph Wind Direction: S Forecast: Mostly sunny, with a high near 91. Heat index values as high as 95. South wind around 5 mph. |
Tonight |
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Temperature: 74°F Wind Speed: 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Saturday |
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Temperature: 93°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms. Partly sunny. High near 93, with temperatures falling to around 88 in the afternoon. Heat index values as high as 98. South southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible. |
Saturday Night |
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Temperature: 74°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. |
Sunday |
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Temperature: 90°F Wind Speed: 5 to 10 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. |
Sunday Night |
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Temperature: 73°F Wind Speed: 5 to 10 mph Wind Direction: E Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%. |
Monday |
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Temperature: 92°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 92. |
Monday Night |
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Temperature: 74°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. |
Tuesday |
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Temperature: 86°F Wind Speed: 5 to 10 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 86. |
Tuesday Night |
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Temperature: 69°F Wind Speed: 5 to 10 mph Wind Direction: NNE Forecast: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. |
Wednesday |
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Temperature: 78°F Wind Speed: 10 to 15 mph Wind Direction: NNE Forecast: Mostly sunny, with a high near 78. |
Wednesday Night |
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Temperature: 67°F Wind Speed: 5 to 10 mph Wind Direction: NE Forecast: Mostly clear, with a low around 67. |
Thursday |
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Temperature: 82°F Wind Speed: 5 to 10 mph Wind Direction: NE Forecast: Sunny, with a high near 82. |
Thursday Night |
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Temperature: 66°F Wind Speed: 5 to 10 mph Wind Direction: NNE Forecast: Mostly clear, with a low around 66. |