National Weather Service Forecast for: McKinney TX
Issued by: National Weather Service Dallas/Fort Worth, TX
Updated: 11:21 pm CST Dec 19, 2025
 
Tonight

Tonight: Clear, with a low around 48. South wind around 15 mph, with gusts as high as 25 mph.
Clear
 Saturday

Saturday: Sunny, with a high near 76. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 49. Southeast wind 5 to 10 mph becoming north northeast in the evening.
Mostly Clear
 Sunday

Sunday: Mostly cloudy, with a high near 61. East northeast wind around 10 mph.
Mostly Cloudy
 Sunday
Night
Sunday Night: Cloudy, with a low around 51. East northeast wind around 5 mph becoming southeast after midnight.
Cloudy
 Monday

Monday: Mostly sunny, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 61. South wind around 10 mph.
Partly Cloudy
 Tuesday

Tuesday: Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 60. South wind around 10 mph.
Partly Cloudy
Lo 48 °F Hi 76 °F Lo 49 °F Hi 61 °F Lo 51 °F Hi 72 °F Lo 61 °F Hi 77 °F Lo 60 °F

 

Tonight
 
 Clear, with a low around 48. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
 
 Sunny, with a high near 76. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
 
 Mostly clear, with a low around 49. Southeast wind 5 to 10 mph becoming north northeast in the evening.
Sunday
 
 Mostly cloudy, with a high near 61. East northeast wind around 10 mph.
Sunday Night
 
 Cloudy, with a low around 51. East northeast wind around 5 mph becoming southeast after midnight.
Monday
 
 Mostly sunny, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
 
 Partly cloudy, with a low around 61. South wind around 10 mph.
Tuesday
 
 Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
 
 Partly cloudy, with a low around 60. South wind around 10 mph.
Wednesday
 
 Partly sunny, with a high near 76.
Wednesday Night
 
 Partly cloudy, with a low around 59.
Christmas Day
 
 Mostly sunny, with a high near 77.
Thursday Night
 
 Partly cloudy, with a low around 60.
Friday
 
 Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for McKinney TX.