National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 07/28/2026 1:26am
Plano, Collin County, Texas
 
  Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
  Hi 101 °F Hi 101 °F Hi 102 °F Hi 103 °F Hi 101 °F Hi 97 °F Hi 99 °F
 
Overnight

Overnight: Clear
Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Clear
Clear
 
Lo 82 °F Lo 82 °F Lo 82 °F Lo 83 °F Lo 83 °F Lo 76 °F Lo 77 °F  

Heat Advisory issued July 28 at 12:41AM CDT until July 28 at 8:00PM CDT
Heat Advisory issued July 27 at 11:34AM CDT until July 28 at 8:00PM CDT
 

Overnight
 
Clear. Low around 82, with temperatures rising to around 84 overnight. South wind around 10 mph.
Tuesday
 
Sunny, with a high near 101. Heat index values as high as 107. South southwest wind 5 to 10 mph.
Tuesday Night
 
Mostly clear, with a low around 82. Heat index values as high as 104. South wind 5 to 10 mph.
Wednesday
 
Sunny, with a high near 101. Heat index values as high as 107. South southwest wind 5 to 10 mph.
Wednesday Night
 
Mostly clear. Low around 82, with temperatures rising to around 84 overnight. South southeast wind 5 to 10 mph.
Thursday
 
Sunny, with a high near 102. South southwest wind 5 to 10 mph.
Thursday Night
 
Mostly clear, with a low around 83. South wind around 10 mph.
Friday
 
Sunny, with a high near 103. South southwest wind around 10 mph.
Friday Night
 
Mostly clear, with a low around 83. South southwest wind around 10 mph.
Saturday
 
Sunny, with a high near 101.
Saturday Night
 
Mostly clear, with a low around 76.
Sunday
 
Sunny, with a high near 97.
Sunday Night
 
Clear, with a low around 77.
Monday
 
Sunny, with a high near 99.

 

Forecast from NOAA-NWS for Plano, TX.