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

38°F

3°C

Humidity 48%
Wind Speed Calm
Barometer 30.20 in (1024.3 mb)
Dewpoint 20°F (-7°C)
Visibility NA
Last update 18 Jan 9:53 pm CST
Extended Forecast for

Collin County Regional Airport TX

  • Tonight

    Tonight: Mostly clear, with a low around 29. Calm wind becoming northeast around 5 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 49. Wind chill values between 20 and 30 early. Northeast wind 5 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: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 44. South wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers before noon. Mostly cloudy, with a high near 58. South wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 58 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. Northeast wind 5 to 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. South southeast wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Calm wind becoming northeast around 5 mph after midnight.
M.L.King Day
Mostly sunny, with a high near 49. Wind chill values between 20 and 30 early. Northeast wind 5 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
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 44. South wind 5 to 10 mph.
Wednesday
A 40 percent chance of showers before noon. Mostly cloudy, with a high near 58. South wind 5 to 10 mph becoming north northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 35. Northeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 55. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 39. South southeast wind around 5 mph.
Friday
Partly sunny, with a high near 61.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Collin County Regional Airport TX
 33.19°N 96.59°W (Elev. 554 ft)
Last Update:
8:56 pm CST Jan 18, 2026
Forecast Valid:
10pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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