National Weather Service Forecast for: McKinney TX
Issued by: National Weather Service Dallas/Fort Worth, TX
Updated: 5:06 pm CST Dec 17, 2025
 
Tonight

Tonight: A slight chance of drizzle before midnight. Areas of fog before 10pm. Otherwise, cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 25 mph.
Slight Chance
Drizzle and
Areas Fog
then Cloudy
 Thursday

Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 65. South southwest wind 15 to 20 mph becoming north in the morning. Winds could gust as high as 30 mph.
Becoming
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 36. North northwest wind 5 to 10 mph becoming light after midnight.
Mostly Clear

 Friday

Friday: Sunny, with a high near 61. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 49. South wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 49. South wind around 10 mph becoming northeast after midnight.
Mostly Clear

 Sunday

Sunday: Mostly sunny, with a high near 65. East wind 5 to 10 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 51. East wind around 5 mph.
Mostly Cloudy
Lo 59 °F Hi 65 °F Lo 36 °F Hi 61 °F Lo 49 °F Hi 76 °F Lo 49 °F Hi 65 °F Lo 51 °F

 

Tonight
 
 A slight chance of drizzle before midnight. Areas of fog before 10pm. Otherwise, cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 65. South southwest wind 15 to 20 mph becoming north in the morning. Winds could gust as high as 30 mph.
Thursday Night
 
 Mostly clear, with a low around 36. North northwest wind 5 to 10 mph becoming light after midnight.
Friday
 
 Sunny, with a high near 61. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly clear, with a low around 49. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
 
 Sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
 
 Mostly clear, with a low around 49. South wind around 10 mph becoming northeast after midnight.
Sunday
 
 Mostly sunny, with a high near 65. East wind 5 to 10 mph.
Sunday Night
 
 Mostly cloudy, with a low around 51. East wind around 5 mph.
Monday
 
 Partly sunny, with a high near 72.
Monday Night
 
 Partly cloudy, with a low around 58.
Tuesday
 
 Mostly sunny, with a high near 76.
Tuesday Night
 
 Partly cloudy, with a low around 58.
Wednesday
 
 Partly sunny, with a high near 74.

 

Forecast from NOAA-NWS for McKinney TX.