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.

Mostly Cloudy and Breezy

79°F

26°C

Humidity 45%
Wind Speed S 21 G 30 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Mar 3:53 pm CST
Extended Forecast for

McKinney TX

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between midnight and 3am. Mostly clear, with a low around 58. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 79 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 64. South wind around 10 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between midnight and 3am. Mostly clear, with a low around 58. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 78. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 64. South wind around 10 mph. Chance of precipitation is 80%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 20 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 71. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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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:
12:27 pm CST Mar 1, 2026
Forecast Valid:
4pm CST Mar 1, 2026-6pm CDT Mar 8, 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