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

37°F

3°C

Humidity 31%
Wind Speed N 8 mph
Barometer 30.40 in (1031.0 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Jan 7:53 pm CST
Extended Forecast for

McKinney TX

  • Tonight

    Tonight: Mostly clear, with a low around 21. North northwest wind around 5 mph becoming calm after midnight.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Wind chill values between 16 and 26 early. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Calm wind becoming northeast around 5 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 49. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. North northeast wind 5 to 10 mph becoming light after midnight.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. South wind around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 59. South wind 5 to 10 mph becoming east in the afternoon.

    High: 59 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. North northeast wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 21. North northwest wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 58. Wind chill values between 16 and 26 early. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 30. Calm wind becoming northeast around 5 mph after midnight.
M.L.King Day
Mostly sunny, with a high near 49. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 26. North northeast wind 5 to 10 mph becoming light after midnight.
Tuesday
Mostly sunny, with a high near 53. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 43. South wind around 5 mph.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 59. South wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 39. North northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McKinney TX
 33.19°N 96.62°W (Elev. 587 ft)
Last Update:
5:06 pm CST Jan 17, 2026
Forecast Valid:
8pm CST Jan 17, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation