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

56°F

13°C

Humidity 46%
Wind Speed Calm
Barometer 29.96 in (1014.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 27 Feb 2:53 am CST
Extended Forecast for

McKinney TX

  • Overnight

    Overnight: Clear, with a low around 49. North northeast wind around 5 mph becoming calm.

    Low: 49 °F

    Clear

  • Friday

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

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Southeast wind around 5 mph.

    Low: 55 °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 59. South southeast wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 81. South wind 5 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

    Slight Chance
    T-storms then
    Chance
    Showers

  • 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 56. South wind around 10 mph.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 49. North northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55. 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 59. South southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 81. South wind 5 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 56. South wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 78.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
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:
McKinney TX
 33.19°N 96.62°W (Elev. 587 ft)
Last Update:
1:10 am CST Feb 27, 2026
Forecast Valid:
3am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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