National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 08/03/2026 6:06am
Plano, Collin County, Texas
 
Today

Today: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
 
Hi 99 °F Hi 101 °F Hi 100 °F Hi 99 °F Hi 98 °F Hi 97 °F Hi 98 °F  
 
Tonight

Tonight: 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: Mostly Clear
Mostly Clear
 
Lo 78 °F Lo 80 °F Lo 80 °F Lo 79 °F Lo 79 °F Lo 79 °F Lo 79 °F  

Air Quality Alert issued August 2 at 3:31PM CDT
 

Today
 
Sunny, with a high near 99. Heat index values as high as 99. Southeast wind around 5 mph.
Tonight
 
Clear. Low around 78, with temperatures rising to around 80 overnight. Heat index values as high as 97. South southeast wind 5 to 10 mph.
Tuesday
 
Sunny, with a high near 101. Heat index values as high as 104. South wind 5 to 10 mph.
Tuesday Night
 
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 102. South southeast wind around 10 mph.
Wednesday
 
Sunny, with a high near 100. South southwest wind around 10 mph.
Wednesday Night
 
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. South wind around 10 mph.
Thursday
 
Sunny, with a high near 99. South wind around 10 mph.
Thursday Night
 
Mostly clear, with a low around 79. South southeast wind around 10 mph.
Friday
 
Sunny, with a high near 98. South wind 5 to 10 mph.
Friday Night
 
Mostly clear, with a low around 79.
Saturday
 
Sunny, with a high near 97.
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.

 

Forecast from NOAA-NWS for Plano, TX.