National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 08/04/2026 6:06am
Plano, Collin County, Texas
 
Today

Today: 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 100 °F Hi 101 °F Hi 100 °F Hi 97 °F Hi 98 °F Hi 98 °F Hi 98 °F  
 
Tonight

Tonight: 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: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
 
Lo 81 °F Lo 80 °F Lo 80 °F Lo 79 °F Lo 79 °F Lo 79 °F Lo 79 °F  

Air Quality Alert issued August 3 at 3:35PM CDT
 

Today
 
Sunny, with a high near 100. Heat index values as high as 101. South wind 5 to 10 mph.
Tonight
 
Mostly clear, with a low around 81. Heat index values as high as 99. South southeast wind 5 to 10 mph.
Wednesday
 
Sunny, with a high near 101. Heat index values as high as 102. South southwest wind 5 to 10 mph.
Wednesday Night
 
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 100. South wind around 10 mph.
Thursday
 
Sunny, with a high near 100. South southwest wind around 10 mph.
Thursday Night
 
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. South southeast wind around 10 mph.
Friday
 
Sunny, with a high near 97. South wind 5 to 10 mph.
Friday Night
 
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.
Saturday
 
Sunny, with a high near 98. South wind 5 to 10 mph.
Saturday Night
 
Mostly clear, with a low around 79.
Sunday
 
Sunny, with a high near 98.
Sunday Night
 
Mostly clear, with a low around 79.
Monday
 
Sunny, with a high near 98.
Monday Night
 
Mostly clear, with a low around 79.

 

Forecast from NOAA-NWS for Plano, TX.