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.

Fair

49°F

9°C

Humidity 69%
Wind Speed N 3 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 27 Feb 7:53 am CST
Extended Forecast for

Mc Kinney TX

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southeast wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. South southeast wind around 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 9pm. Partly cloudy, with a low around 56. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 71. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. South wind around 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 56. Southeast wind around 5 mph.
Saturday
Sunny, with a high near 83. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 60. South southeast wind around 10 mph.
Sunday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 9pm. Partly cloudy, with a low around 56. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 71. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 57. South wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
Showers likely. Partly sunny, with a high near 76. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Kinney TX
 33.19°N 96.65°W (Elev. 545 ft)
Last Update:
5:12 am CST Feb 27, 2026
Forecast Valid:
8am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation