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

66°F

19°C

Humidity 73%
Wind Speed S 14 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 30 Mar 3:53 am CDT
Extended Forecast for

3 Miles WSW Collin County Regional Airport TX

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 84. South wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 84 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 86 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 83 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 84. South wind 10 to 20 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 85. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South wind 15 to 20 mph, with gusts as high as 25 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Collin County Regional Airport TX
 33.17°N 96.62°W (Elev. 541 ft)
Last Update:
1:26 am CDT Mar 30, 2026
Forecast Valid:
4am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation