Weather in McKinney, Texas, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for McKinney
Today |
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Temperature: 105°F Wind Speed: 10 to 15 mph Wind Direction: SSW Forecast: A slight chance of rain showers before 1pm. Mostly sunny, with a high near 105. Heat index values as high as 105. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
Tonight |
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Temperature: 82°F Wind Speed: 5 to 15 mph Wind Direction: SSW Forecast: Partly cloudy. Low around 82, with temperatures rising to around 84 overnight. Heat index values as high as 104. South southwest wind 5 to 15 mph. |
Wednesday |
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Temperature: 103°F Wind Speed: 5 to 10 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 103. Heat index values as high as 109. West wind 5 to 10 mph. Chance of precipitation is 20%. |
Wednesday Night |
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Temperature: 79°F Wind Speed: 5 mph Wind Direction: NNW Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 107. North northwest wind around 5 mph. Chance of precipitation is 20%. |
Thursday |
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Temperature: 99°F Wind Speed: 5 to 10 mph Wind Direction: N Forecast: Sunny. High near 99, with temperatures falling to around 97 in the afternoon. North wind 5 to 10 mph. |
Thursday Night |
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Temperature: 76°F Wind Speed: 5 to 10 mph Wind Direction: NE Forecast: Partly cloudy. Low around 76, with temperatures rising to around 78 overnight. Northeast wind 5 to 10 mph. |
Friday |
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Temperature: 99°F Wind Speed: 5 to 10 mph Wind Direction: ENE Forecast: Sunny, with a high near 99. East northeast wind 5 to 10 mph. |
Friday Night |
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Temperature: 77°F Wind Speed: 5 to 10 mph Wind Direction: E Forecast: Mostly clear, with a low around 77. East wind 5 to 10 mph. |
Saturday |
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Temperature: 99°F Wind Speed: 5 to 10 mph Wind Direction: SE Forecast: Sunny, with a high near 99. Southeast wind 5 to 10 mph. |
Saturday Night |
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Temperature: 78°F Wind Speed: 5 to 10 mph Wind Direction: SE Forecast: Mostly clear, with a low around 78. |
Sunday |
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Temperature: 100°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Sunny, with a high near 100. |
Sunday Night |
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Temperature: 79°F Wind Speed: 10 mph Wind Direction: SSE Forecast: Clear, with a low around 79. |
Monday |
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Temperature: 100°F Wind Speed: 10 mph Wind Direction: S Forecast: Sunny, with a high near 100. |
Monday Night |
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Temperature: 79°F Wind Speed: 10 mph Wind Direction: S Forecast: Mostly clear, with a low around 79. |