Weather in McKinney, Texas, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for McKinney
Overnight |
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Temperature: 76°F Wind Speed: 10 mph Wind Direction: S Forecast: Mostly clear, with a low around 76. South wind around 10 mph. |
Saturday |
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Temperature: 93°F Wind Speed: 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms after 10am. Mostly sunny. High near 93, with temperatures falling to around 90 in the afternoon. Heat index values as high as 100. South southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
Saturday Night |
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Temperature: 73°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms. Mostly cloudy. Low around 73, with temperatures rising to around 75 overnight. South southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible. |
Sunday |
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Temperature: 91°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 91, with temperatures falling to around 89 in the afternoon. Heat index values as high as 101. South 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: 74°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 5 to 10 mph. Chance of precipitation is 50%. |
Monday |
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Temperature: 93°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 93, with temperatures falling to around 91 in the afternoon. South southwest wind 5 to 10 mph. Chance of precipitation is 40%. |
Monday Night |
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Temperature: 76°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South wind 5 to 10 mph. Chance of precipitation is 30%. |
Tuesday |
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Temperature: 95°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: Mostly sunny, with a high near 95. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. |
Tuesday Night |
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Temperature: 77°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Partly cloudy, with a low around 77. South wind 5 to 10 mph. |
Wednesday |
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Temperature: 97°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 97. |
Wednesday Night |
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Temperature: 76°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Partly cloudy, with a low around 76. |
Thursday |
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Temperature: 98°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 98. |
Thursday Night |
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Temperature: 76°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Partly cloudy, with a low around 76. |
Friday |
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Temperature: 98°F Wind Speed: 5 mph Wind Direction: S Forecast: Mostly sunny, with a high near 98. |