National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 07/25/2026 11:07pm
Plano, Collin County, Texas
 
  Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Mostly Sunny
Mostly Sunny
  Hi 101 °F Hi 102 °F Hi 103 °F Hi 103 °F Hi 102 °F Hi 102 °F Hi 100 °F
 
Overnight

Overnight: 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
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
 
Lo 80 °F Lo 81 °F Lo 82 °F Lo 83 °F Lo 83 °F Lo 82 °F Lo 82 °F  

Heat Advisory issued July 25 at 11:17PM CDT until July 26 at 8:00PM CDT
Heat Advisory issued July 25 at 9:01PM CDT until July 26 at 8:00PM CDT
 

Overnight
 
Clear. Low around 80, with temperatures rising to around 82 overnight. South southwest wind around 10 mph.
Sunday
 
Sunny, with a high near 101. Heat index values as high as 109. South southwest wind around 10 mph.
Sunday Night
 
Clear. Low around 81, with temperatures rising to around 83 overnight. Heat index values as high as 106. South wind 5 to 10 mph.
Monday
 
Sunny, with a high near 102. Heat index values as high as 109. South southwest wind around 10 mph.
Monday Night
 
Mostly clear. Low around 82, with temperatures rising to around 84 overnight. South wind around 10 mph.
Tuesday
 
Sunny, with a high near 103. South southwest wind 5 to 10 mph.
Tuesday Night
 
Mostly clear, with a low around 83. South wind around 10 mph.
Wednesday
 
Sunny, with a high near 103. South southwest wind 5 to 10 mph.
Wednesday Night
 
Mostly clear, with a low around 83. South wind around 10 mph.
Thursday
 
Mostly sunny, with a high near 102.
Thursday Night
 
Mostly clear, with a low around 82.
Friday
 
Sunny, with a high near 102.
Friday Night
 
Mostly clear, with a low around 82.
Saturday
 
Mostly sunny, with a high near 100.

 

Forecast from NOAA-NWS for Plano, TX.