National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 08/13/2026 6:12am
Plano, Collin County, Texas
 
Today

Today: Sunny
Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
 
Hi 102 °F Hi 99 °F Hi 100 °F Hi 101 °F Hi 102 °F Hi 102 °F Hi 101 °F  
 
Tonight

Tonight: Clear
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: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Clear
Clear
Wednesday
Night
Wednesday Night: Clear
Clear
 
Lo 79 °F Lo 81 °F Lo 81 °F Lo 81 °F Lo 81 °F Lo 81 °F Lo 81 °F  

Heat Advisory issued August 13 at 1:32AM CDT until August 13 at 8:00PM CDT
 

Today
 
Sunny, with a high near 102. Heat index values as high as 105. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
 
Clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 104. South wind around 15 mph, with gusts as high as 25 mph.
Friday
 
Sunny, with a high near 99. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
 
Mostly clear, with a low around 81. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
 
Sunny, with a high near 100. South southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
Clear, with a low around 81. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
 
Sunny, with a high near 101. South southwest wind 5 to 10 mph.
Sunday Night
 
Clear, with a low around 81. South wind 5 to 10 mph.
Monday
 
Sunny, with a high near 102. South southwest wind around 5 mph.
Monday Night
 
Mostly clear, with a low around 81.
Tuesday
 
Sunny, with a high near 102.
Tuesday Night
 
Clear, with a low around 81.
Wednesday
 
Sunny, with a high near 101.
Wednesday Night
 
Clear, with a low around 81.

 

Forecast from NOAA-NWS for Plano, TX.