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.

Overcast

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.86 in (1010.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 22 May 5:53 am CDT
Extended Forecast for

Celina TX

  • Today

    Today: Patchy fog before 10am. Otherwise, partly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 66. East southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph becoming north northeast after midnight. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Northeast wind around 5 mph.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northeast wind around 5 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. East southeast wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83. Southeast wind around 5 mph.

    High: 83 °F

    Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, partly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 66. East southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph becoming north northeast after midnight. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Northeast wind around 5 mph.
Sunday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Memorial Day
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northeast wind around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. East southeast wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83. Southeast wind around 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Celina TX
 33.32°N 96.78°W (Elev. 682 ft)
Last Update:
6:12 am CDT May 22, 2026
Forecast Valid:
6am CDT May 22, 2026-6pm CDT May 28, 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