| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 07/18/2026 1:26pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 96. Heat index values as high as 102. South southwest wind around 10 mph, with gusts as high as 25 mph. |
| Tonight |
Mostly clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 100. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Sunday |
Sunny, with a high near 98. Heat index values as high as 102. South southwest wind 5 to 10 mph. |
| Sunday Night |
Mostly clear, with a low around 80. Heat index values as high as 102. South southwest wind 5 to 10 mph. |
| Monday |
Sunny, with a high near 101. Southwest wind 5 to 10 mph. |
| Monday Night |
Clear. Low around 81, with temperatures rising to around 83 overnight. South southwest wind 5 to 10 mph. |
| Tuesday |
Sunny, with a high near 103. Southwest wind around 5 mph. |
| Tuesday Night |
Clear, with a low around 83. South southwest wind around 5 mph. |
| Wednesday |
Sunny, with a high near 104. West northwest wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 83. |
| Thursday |
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 83. |
Forecast from NOAA-NWS for Plano, TX.