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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 33.19°N 96.62°W (Text-Only)
NWS Forecast for: McKinney TX
Issued by: National Weather Service Dallas/Fort Worth, TX
Last Update: 6:11 pm CDT Jun 29, 2026		Print

  • Tonight

    Tonight: Clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Heat index values as high as 101. South wind around 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 79. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 78. Southeast wind around 10 mph.

    Low: 78 °F

    Mostly Clear

    • Tonight: Clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Tuesday: Sunny, with a high near 95. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Tuesday Night: Clear, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Wednesday: Sunny, with a high near 97. Heat index values as high as 101. South wind around 10 mph, with gusts as high as 20 mph.

    Wednesday Night: Mostly clear, with a low around 79. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Thursday: Mostly sunny, with a high near 97. South wind 5 to 10 mph.

    Thursday Night: Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph.

    Friday: Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph.

    Friday Night: Mostly clear, with a low around 78. Southeast wind around 10 mph.

    Independence Day: Mostly sunny, with a high near 98.

    Saturday Night: Partly cloudy, with a low around 78.

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.


    McKinney TX
     33.19°N 96.62°W (Elev. 587 ft)

    Visit your local NWS office at: https://www.weather.gov/fwd