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

86°F

30°C

Humidity 62%
Wind Speed S 25 G 38 mph
Barometer 29.86 in
Dewpoint 72°F (22°C)
Visibility 0.00 mi
Heat Index92°F (33°C)
Last update 18 May 11:53 am CDT
Extended Forecast for

3 Miles ENE Princeton TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 89. South wind around 20 mph, with gusts as high as 35 mph.

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 74. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 86. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 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

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph.

    Low: 65 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 78. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Calm wind becoming south around 5 mph in the morning.

    High: 80 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. South wind around 20 mph, with gusts as high as 35 mph.
Tonight
Increasing clouds, with a low around 74. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 86. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 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.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 78. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Calm wind becoming south around 5 mph in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Princeton TX
 33.19°N 96.46°W (Elev. 505 ft)
Last Update:
7:06 am CDT May 18, 2026
Forecast Valid:
1pm CDT May 18, 2026-6pm CDT May 24, 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