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.

Mostly Cloudy

67°F

19°C

Humidity 81%
Wind Speed SW 8 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 8 Jan 11:53 am CST
Extended Forecast for

McKinney TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm. Mostly sunny, with a high near 80. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 80 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 67. North northeast wind around 5 mph.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny

  • Saturday Night

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

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. North northeast wind 5 to 10 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. North northeast wind around 5 mph becoming calm.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. Calm wind becoming south southwest around 5 mph in the morning.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Mostly sunny, with a high near 80. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 67. North northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 40. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 54. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 35. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 55. North northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 31. North northeast wind around 5 mph becoming calm.
Monday
Sunny, with a high near 59. Calm wind becoming south southwest around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 62.
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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:
11:21 am CST Jan 8, 2026
Forecast Valid:
12pm CST Jan 8, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation