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

33°F

1°C

Humidity 78%
Wind Speed Calm
Barometer 30.49 in (1033.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 12 Jan 1:53 am CST
Extended Forecast for

McKinney TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 63. Calm wind becoming south southwest around 5 mph in the morning.

    High: 63 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. South southwest wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Southwest wind 5 to 10 mph.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. South southwest wind around 5 mph becoming northwest after midnight.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. North northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. North northwest wind around 5 mph becoming south in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 35. South wind around 5 mph becoming east after midnight.

    Low: 35 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Calm wind.
Monday
Mostly cloudy, with a high near 63. Calm wind becoming south southwest around 5 mph in the morning.
Monday Night
Mostly cloudy, with a low around 39. South southwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 65. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 43. South southwest wind around 5 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 61. North northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 28. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 54. North northwest wind around 5 mph becoming south in the afternoon.
Thursday Night
Clear, with a low around 35. South wind around 5 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 55.
Saturday Night
Clear, with a low around 30.
Sunday
Sunny, with a high near 58.
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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:
11:21 pm CST Jan 11, 2026
Forecast Valid:
2am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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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