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

86°F

30°C

Humidity 70%
Wind Speed SE 7 mph
Barometer 29.82 in (1009.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 11 Jun 8:53 pm CDT
Extended Forecast for

Mc Kinney TX

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. South wind around 10 mph.

    Low: 78 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 91. Heat index values as high as 101. South wind around 5 mph becoming northeast in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. South wind 10 to 15 mph.

    Low: 78 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 83. Northeast wind around 10 mph.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 68. North northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. South wind around 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 91. Heat index values as high as 101. South wind around 5 mph becoming northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 78. South southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 95. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. South wind 10 to 15 mph.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Monday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 83. Northeast wind around 10 mph.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 68. North northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Kinney TX
 33.21°N 96.68°W (Elev. 554 ft)
Last Update:
6:41 pm CDT Jun 11, 2026
Forecast Valid:
8pm CDT Jun 11, 2026-6pm CDT Jun 18, 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