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

75°F

24°C

Humidity 84%
Wind Speed S 16 G 24 mph
Barometer 29.69 in (1004.7 mb)
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Last update 27 Apr 3:53 am CDT
Extended Forecast for

Mc Kinney TX

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 91. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Some of the storms could be severe. Partly cloudy, with a low around 63. South wind around 10 mph becoming northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 75. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. North northeast wind around 10 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 54. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm. High near 63. East wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 63 °F

    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 91. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 71. South wind around 10 mph.
Tuesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Some of the storms could be severe. Partly cloudy, with a low around 63. South wind around 10 mph becoming northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, with a high near 75. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. North northeast wind around 10 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 54. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
Showers, with thunderstorms also possible after 1pm. High near 63. East wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 51.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 74.
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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:
1:26 am CDT Apr 27, 2026
Forecast Valid:
4am CDT Apr 27, 2026-6pm CDT May 3, 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