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.

Thunderstorm in Vicinity Rain Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed N 8 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 69°F (21°C)
Visibility 3.00 mi
Last update 22 Jun 6:53 am CDT
Extended Forecast for

Princeton TX

  • Today

    Today: Showers and thunderstorms, mainly before 1pm. Some of the storms could be severe. High near 89. Heat index values as high as 100. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 76. South southeast wind around 10 mph.

    Low: 76 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 93. Heat index values as high as 103. South wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 96. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 1pm. Some of the storms could be severe. High near 89. Heat index values as high as 100. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 76. South southeast wind around 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 93. Heat index values as high as 103. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 96. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 97.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Mostly sunny and hot, with a high near 99. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton TX
 33.19°N 96.51°W (Elev. 551 ft)
Last Update:
6:06 am CDT Jun 22, 2026
Forecast Valid:
8am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation