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

82°F

28°C

Humidity 60%
Wind Speed Vrbl 6 mph
Barometer 29.83 in (1009.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 22 May 3:53 pm CDT
Extended Forecast for

3 Miles SSW Mc Kinney TX

  • Tonight

    Tonight: A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 66. Southeast wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Partly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. West northwest wind around 5 mph becoming east southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph becoming light east southeast after midnight. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. East northeast wind around 5 mph.

    High: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. East northeast wind around 5 mph.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. East northeast wind 5 to 10 mph becoming light east after midnight.

    Low: 66 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. East southeast wind around 5 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. East southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 66. Southeast wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms likely before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. West northwest wind around 5 mph becoming east southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph becoming light east southeast after midnight. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. East northeast wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.
Memorial Day
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. East northeast wind around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. East northeast wind 5 to 10 mph becoming light east after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. East southeast wind around 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. East southeast wind around 5 mph. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Mc Kinney TX
 33.17°N 96.67°W (Elev. 699 ft)
Last Update:
1:26 pm CDT May 22, 2026
Forecast Valid:
4pm CDT May 22, 2026-6pm CDT May 29, 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