| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 07/31/2026 1:26am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued July 31 at 2:54AM CDT until July 31 at 8:00PM CDT
Heat Advisory issued July 30 at 7:52PM CDT until July 31 at 8:00PM CDT
| Overnight |
Clear. Low around 81, with temperatures rising to around 84 overnight. South wind around 10 mph. |
| Friday |
Sunny, with a high near 103. Heat index values as high as 111. Southwest wind around 10 mph. |
| Friday Night |
Partly cloudy. Low around 82, with temperatures rising to around 84 overnight. Heat index values as high as 109. Southwest wind 5 to 10 mph. |
| Saturday |
Mostly sunny, with a high near 97. Heat index values as high as 99. North wind 10 to 15 mph, with gusts as high as 25 mph. |
| Saturday Night |
Mostly clear, with a low around 75. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. |
| Sunday |
Sunny, with a high near 96. North wind 5 to 10 mph. |
| Sunday Night |
Clear, with a low around 76. Northeast wind 0 to 10 mph. |
| Monday |
Sunny, with a high near 98. East southeast wind 0 to 5 mph. |
| Monday Night |
Clear, with a low around 78. East southeast wind 5 to 10 mph. |
| Tuesday |
Sunny, with a high near 100. |
| Tuesday Night |
Clear, with a low around 80. |
| Wednesday |
Sunny, with a high near 99. |
| Wednesday Night |
Mostly clear, with a low around 80. |
| Thursday |
Sunny, with a high near 99. |
Forecast from NOAA-NWS for Plano, TX.