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.

Light Rain

66°F

19°C

Humidity 93%
Wind Speed S 17 mph
Barometer 29.79 in (1008.4 mb)
Dewpoint 64°F (18°C)
Visibility 8.00 mi
Last update 2 Apr 5:53 am CDT
Extended Forecast for

McKinney TX

  • Today

    Today: Showers and thunderstorms, mainly before 7am. High near 84. South southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 82. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 82 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 58. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 58 °F

    T-storms
    Likely then
    Heavy Rain

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 69. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 69 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. North wind 5 to 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph.

    High: 70 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. North northeast wind around 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 7am. High near 84. South southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 68. South wind around 15 mph, with gusts as high as 25 mph.
Friday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 82. South wind 15 to 20 mph, with gusts as high as 25 mph.
Friday Night
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 58. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 69. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
Mostly cloudy, with a low around 48. North wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 50. North northeast wind around 5 mph.
Monday
Mostly sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 76.
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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 Apr 2, 2026
Forecast Valid:
6am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation