National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Overcast

79°F

26°C

Humidity 85%
Wind Speed S 16 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 8 Jun 3:53 am CDT
Extended Forecast for

McKinney TX

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 98. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 97. South wind around 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

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

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. South wind around 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. South wind 10 to 15 mph.

    Low: 77 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 95. South wind around 10 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 98. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 97. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Wednesday
Sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 94. South wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. South wind 10 to 15 mph.
Friday
Mostly sunny, with a high near 95. South wind around 10 mph.
Friday Night
Mostly clear, with a low around 78.
Saturday
Sunny, with a high near 96.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 79.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McKinney TX
 33.19°N 96.62°W (Elev. 587 ft)
Last Update:
1:26 am CDT Jun 8, 2026
Forecast Valid:
4am CDT Jun 8, 2026-6pm CDT Jun 14, 2026
 
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Additional Resources

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