National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 07/18/2026 6:06am
Plano, Collin County, Texas
 
Today

Today: 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: Sunny
Sunny
 
Hi 95 °F Hi 97 °F Hi 100 °F Hi 102 °F Hi 103 °F Hi 102 °F Hi 101 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Clear
Clear
Monday
Night
Monday Night: Clear
Clear
Tuesday
Night
Tuesday Night: Clear
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
 
Lo 78 °F Lo 79 °F Lo 81 °F Lo 83 °F Lo 82 °F Lo 82 °F Lo 82 °F  

 

Today
 
Mostly sunny, with a high near 95. Heat index values as high as 100. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
 
Mostly clear. Low around 78, with temperatures rising to around 80 overnight. Heat index values as high as 98. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
 
Sunny, with a high near 97. Heat index values as high as 102. South southwest wind 5 to 10 mph.
Sunday Night
 
Clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 100. South wind 5 to 10 mph.
Monday
 
Sunny, with a high near 100. South southwest wind 5 to 10 mph.
Monday Night
 
Clear, with a low around 81. South southwest wind 5 to 10 mph.
Tuesday
 
Sunny, with a high near 102. Southwest wind 5 to 10 mph.
Tuesday Night
 
Clear, with a low around 83. South southwest wind around 5 mph.
Wednesday
 
Sunny, with a high near 103. Southwest wind 5 to 10 mph.
Wednesday Night
 
Mostly clear, with a low around 82.
Thursday
 
Sunny, with a high near 102.
Thursday Night
 
Mostly clear, with a low around 82.
Friday
 
Sunny, with a high near 101.
Friday Night
 
Mostly clear, with a low around 82.

 

Forecast from NOAA-NWS for Plano, TX.