| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/06/2026 6:06am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued September 6 at 12:09AM CDT until September 6 at 8:00PM CDT
| Today |
Sunny, with a high near 100. Heat index values as high as 104. Southeast wind 0 to 10 mph. |
| Tonight |
Clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 102. South southeast wind 5 to 10 mph. |
| Labor Day |
Sunny, with a high near 101. Heat index values as high as 105. South wind 0 to 10 mph. |
| Monday Night |
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 103. South southeast wind 5 to 10 mph. |
| Tuesday |
Sunny. High near 101, with temperatures falling to around 99 in the afternoon. South southeast wind 5 to 10 mph. |
| Tuesday Night |
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. South wind 5 to 10 mph. |
| Wednesday |
Sunny, with a high near 100. South wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 79. South wind 5 to 10 mph. |
| Thursday |
Sunny, with a high near 100. South wind around 5 mph. |
| Thursday Night |
Partly cloudy, with a low around 79. |
| Friday |
Mostly sunny, with a high near 100. |
| Friday Night |
Partly cloudy, with a low around 78. |
| Saturday |
Sunny, with a high near 99. |
| Saturday Night |
Mostly clear, with a low around 78. |
Forecast from NOAA-NWS for Plano, TX.