National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 08/05/2026 6:11am
Plano, Collin County, Texas
 
Today

Today: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
 
Hi 102 °F Hi 100 °F Hi 101 °F Hi 99 °F Hi 99 °F Hi 98 °F Hi 99 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Clear
Clear
Sunday
Night
Sunday Night: Clear
Clear
Monday
Night
Monday Night: Clear
Clear
Tuesday
Night
Tuesday Night: Clear
Clear
 
Lo 81 °F Lo 79 °F Lo 80 °F Lo 80 °F Lo 80 °F Lo 80 °F Lo 79 °F  

 

Today
 
Sunny, with a high near 102. Heat index values as high as 105. South southwest wind 0 to 10 mph.
Tonight
 
Mostly clear. Low around 81, with temperatures rising to around 83 overnight. Heat index values as high as 103. South southeast wind 5 to 10 mph.
Thursday
 
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. Heat index values as high as 104. South southwest wind around 10 mph.
Thursday Night
 
Mostly clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 104. South southeast wind around 10 mph.
Friday
 
Sunny, with a high near 101. South wind 5 to 10 mph.
Friday Night
 
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. South wind around 10 mph.
Saturday
 
Sunny, with a high near 99. South wind 5 to 10 mph.
Saturday Night
 
Clear, with a low around 80. South wind around 10 mph.
Sunday
 
Sunny, with a high near 99. South wind 5 to 10 mph.
Sunday Night
 
Clear, with a low around 80.
Monday
 
Sunny, with a high near 98.
Monday Night
 
Clear, with a low around 80.
Tuesday
 
Sunny, with a high near 99.
Tuesday Night
 
Clear, with a low around 79.

 

Forecast from NOAA-NWS for Plano, TX.