National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 07/24/2026 6:12pm
Plano, Collin County, Texas
 
  Saturday

Saturday: Mostly Sunny
Mostly Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Mostly Sunny
Mostly Sunny
  Hi 100 °F Hi 101 °F Hi 102 °F Hi 103 °F Hi 103 °F Hi 104 °F Hi 103 °F
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: 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
 
Lo 81 °F Lo 82 °F Lo 83 °F Lo 82 °F Lo 83 °F Lo 84 °F Lo 84 °F  

Heat Advisory issued July 24 at 8:27PM CDT until July 25 at 8:00PM CDT
Heat Advisory issued July 24 at 12:57PM CDT until July 25 at 8:00PM CDT
 

Tonight
 
Partly cloudy, with a low around 81. Heat index values as high as 100. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
 
Mostly sunny, with a high near 100. Heat index values as high as 108. South southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
Mostly clear. Low around 82, with temperatures rising to around 84 overnight. Heat index values as high as 107. South southwest wind around 10 mph.
Sunday
 
Sunny, with a high near 101. Heat index values as high as 107. South southwest wind around 10 mph.
Sunday Night
 
Mostly clear. Low around 83, with temperatures rising to around 85 overnight. South wind 5 to 10 mph.
Monday
 
Sunny, with a high near 102. South southwest wind around 10 mph.
Monday Night
 
Clear, with a low around 82. South wind around 10 mph.
Tuesday
 
Sunny, with a high near 103. South southwest wind 5 to 10 mph.
Tuesday Night
 
Mostly clear, with a low around 83. South wind 5 to 10 mph.
Wednesday
 
Sunny, with a high near 103.
Wednesday Night
 
Mostly clear, with a low around 84.
Thursday
 
Sunny, with a high near 104.
Thursday Night
 
Mostly clear, with a low around 84.
Friday
 
Mostly sunny, with a high near 103.

 

Forecast from NOAA-NWS for Plano, TX.