National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 08/09/2026 6:11am
Plano, Collin County, Texas
 
Today

Today: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Sunny
Sunny
 
Hi 99 °F Hi 99 °F Hi 100 °F Hi 99 °F Hi 101 °F Hi 101 °F Hi 100 °F  
 
Tonight

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

 

Today
 
Sunny, with a high near 99. Heat index values as high as 103. South wind 5 to 10 mph.
Tonight
 
Clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 103. South wind around 10 mph.
Monday
 
Sunny, with a high near 99. Heat index values as high as 102. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
 
Clear, with a low around 80. Heat index values as high as 99. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
 
Sunny, with a high near 100. South wind 10 to 15 mph.
Tuesday Night
 
Clear. Low around 80, with temperatures rising to around 82 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
 
Sunny, with a high near 99. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
 
Clear, with a low around 80. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
 
Sunny, with a high near 101. South southwest wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
 
Clear, with a low around 79.
Friday
 
Sunny, with a high near 101.
Friday Night
 
Clear, with a low around 80.
Saturday
 
Sunny, with a high near 100.
Saturday Night
 
Mostly clear, with a low around 80.

 

Forecast from NOAA-NWS for Plano, TX.