National Weather Service Forecast for: Plano, TX
Issued by: National Weather Service Fort Worth/Dallas, TX
Updated: 08/28/2026 6:07pm
Plano, Collin County, Texas
 
  Saturday

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

Tonight: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear
Mostly 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 78 °F Lo 79 °F Lo 80 °F Lo 80 °F Lo 79 °F Lo 79 °F Lo 79 °F  

Air Quality Alert issued August 28 at 3:47PM CDT
 

Tonight
 
Mostly clear. Low around 78, with temperatures rising to around 80 overnight. Southeast wind around 5 mph.
Saturday
 
Sunny, with a high near 101. Heat index values as high as 105. South southeast wind around 5 mph.
Saturday Night
 
Mostly clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 101. South southeast wind 5 to 10 mph.
Sunday
 
Sunny. High near 101, with temperatures falling to around 99 in the afternoon. Heat index values as high as 104. South wind 5 to 10 mph.
Sunday Night
 
Mostly clear, with a low around 80. South wind around 10 mph.
Monday
 
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. South wind 5 to 10 mph.
Monday Night
 
Mostly clear, with a low around 80. South southeast wind around 10 mph.
Tuesday
 
Sunny, with a high near 99. South wind 5 to 10 mph.
Tuesday Night
 
Mostly clear, with a low around 79. South southeast wind around 10 mph.
Wednesday
 
Sunny, with a high near 99.
Wednesday Night
 
Mostly clear, with a low around 79.
Thursday
 
Sunny, with a high near 100.
Thursday Night
 
Mostly clear, with a low around 79.
Friday
 
Sunny, with a high near 100.

 

Forecast from NOAA-NWS for Plano, TX.