National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 09/11/2026 3:53pm
Plano, Collin County, Texas
 
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
 
Hi 97 °F Hi 100 °F Hi 100 °F Hi 99 °F Hi 99 °F Hi 99 °F Hi 98 °F  
 
Tonight

Tonight: 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: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
 
Lo 79 °F Lo 80 °F Lo 79 °F Lo 79 °F Lo 79 °F Lo 80 °F Lo 78 °F  

 

This Afternoon
 
Mostly sunny, with a high near 97. Heat index values as high as 102. South southwest wind around 5 mph.
Tonight
 
Mostly clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 102. South wind 5 to 10 mph.
Saturday
 
Sunny, with a high near 100. Heat index values as high as 104. South wind around 10 mph.
Saturday Night
 
Clear, with a low around 80. Heat index values as high as 102. South wind 5 to 10 mph.
Sunday
 
Sunny, with a high near 100. South wind 5 to 10 mph.
Sunday Night
 
Clear. Low around 79, with temperatures rising to around 81 overnight. South southeast wind around 10 mph.
Monday
 
Sunny, with a high near 99. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
 
Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
 
Sunny, with a high near 99. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
 
Mostly clear, with a low around 79.
Wednesday
 
Sunny, with a high near 99.
Wednesday Night
 
Mostly clear, with a low around 80.
Thursday
 
Sunny, with a high near 98.
Thursday Night
 
Mostly clear, with a low around 78.

 

Forecast from NOAA-NWS for Plano, TX.