Weather in McKinney, Texas, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for McKinney
Tonight |
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Temperature: 76°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: Mostly cloudy. Low around 76, with temperatures rising to around 80 overnight. South southeast wind 5 to 10 mph. |
Saturday |
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Temperature: 93°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Mostly sunny, with a high near 93. Heat index values as high as 100. South wind 10 to 15 mph. |
Saturday Night |
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Temperature: 76°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms after 4am. Partly cloudy. Low around 76, with temperatures rising to around 79 overnight. Heat index values as high as 99. South wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 88°F Wind Speed: 5 to 10 mph Wind Direction: WSW Forecast: A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny. High near 88, with temperatures falling to around 84 in the afternoon. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday Night |
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Temperature: 67°F Wind Speed: 5 to 10 mph Wind Direction: NNE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 67. North northeast wind 5 to 10 mph. Chance of precipitation is 80%. |
Monday |
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Temperature: 80°F Wind Speed: 10 mph Wind Direction: NNE Forecast: Showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm. Mostly cloudy, with a high near 80. North northeast wind around 10 mph. Chance of precipitation is 80%. |
Monday Night |
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Temperature: 65°F Wind Speed: 0 to 10 mph Wind Direction: NE Forecast: Mostly cloudy, with a low around 65. Northeast wind 0 to 10 mph. |
Tuesday |
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Temperature: 86°F Wind Speed: 0 to 5 mph Wind Direction: ESE Forecast: Mostly sunny, with a high near 86. East southeast wind 0 to 5 mph. |
Tuesday Night |
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Temperature: 72°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 72. South southeast wind 5 to 10 mph. |
Wednesday |
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Temperature: 94°F Wind Speed: 10 to 20 mph Wind Direction: SSW Forecast: Sunny, with a high near 94. |
Wednesday Night |
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Temperature: 78°F Wind Speed: 15 to 20 mph Wind Direction: S Forecast: Mostly clear, with a low around 78. |
Thursday |
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Temperature: 97°F Wind Speed: 15 mph Wind Direction: S Forecast: Mostly sunny, with a high near 97. |
Thursday Night |
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Temperature: 78°F Wind Speed: 10 to 15 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. Chance of precipitation is 30%. |
Juneteenth |
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Temperature: 94°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%. |