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

25°F

-4°C

Humidity 46%
Wind Speed NW 5 mph
Barometer 30.41 in (1031.4 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Jan 2:53 am CST
Extended Forecast for

Collin County Regional Airport TX

  • Overnight

    Overnight: Clear, with a low around 18. Calm wind.

    Low: 18 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Wind chill values between 14 and 24 early. Light west southwest wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Calm wind becoming north 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 27. North northeast wind 5 to 10 mph becoming light northeast after midnight.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Mostly cloudy, with a high near 57. South wind around 5 mph becoming north northeast in the afternoon.

    High: 57 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. North northeast wind around 5 mph.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 18. Calm wind.
Sunday
Sunny, with a high near 59. Wind chill values between 14 and 24 early. Light west southwest wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 30. Calm wind becoming north 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 27. North northeast wind 5 to 10 mph becoming light northeast after midnight.
Tuesday
Mostly sunny, with a high near 51. 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 42. South wind around 5 mph.
Wednesday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 57. South wind around 5 mph becoming north northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 38. North northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Collin County Regional Airport TX
 33.19°N 96.57°W (Elev. 515 ft)
Last Update:
11:21 pm CST Jan 17, 2026
Forecast Valid:
3am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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