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

77°F

25°C

Humidity 62%
Wind Speed S 15 G 26 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 5 Mar 5:53 pm CST
Extended Forecast for

Mc Kinney TX

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 3am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 80. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. South southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 69 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 69. North wind around 5 mph becoming east southeast in the afternoon.

    High: 69 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. Calm wind becoming south around 5 mph after midnight.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. South wind 5 to 10 mph.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 3am. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 80. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. South southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 69. North wind around 5 mph becoming east southeast in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. Calm wind becoming south around 5 mph after midnight.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. South wind 5 to 10 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Kinney TX
 33.19°N 96.65°W (Elev. 545 ft)
Last Update:
5:13 pm CST Mar 5, 2026
Forecast Valid:
6pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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