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

26°F

-3°C

Humidity 55%
Wind Speed Calm
Barometer 30.54 in (1036.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 31 Jan 10:53 pm CST
Extended Forecast for

McKinney TX

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 23. Calm wind.

    Low: 23 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 51. Wind chill values between 16 and 26 early. South wind 5 to 10 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. South southwest wind 5 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. South wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 61. South southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. North wind 5 to 10 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. North wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 23. Calm wind.
Sunday
Sunny, with a high near 51. Wind chill values between 16 and 26 early. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 35. South wind around 5 mph.
Monday
Mostly sunny, with a high near 64. South southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 50. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 61. South southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 35. North wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 54. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 58.
Thursday Night
Clear, with a low around 41.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 65.
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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:
5:06 pm CST Jan 31, 2026
Forecast Valid:
10pm CST Jan 31, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation