| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 07/19/2026 2:21pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 98. Heat index values as high as 104. South wind around 10 mph. |
| Tonight |
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 101. South wind 5 to 10 mph. |
| Monday |
Sunny, with a high near 101. Heat index values as high as 106. Southwest wind around 5 mph. |
| Monday Night |
Clear. Low around 81, with temperatures rising to around 83 overnight. Heat index values as high as 104. South southwest wind 5 to 10 mph. |
| Tuesday |
Sunny, with a high near 103. Southwest wind around 5 mph. |
| Tuesday Night |
Clear. Low around 84, with temperatures rising to around 86 overnight. South wind around 5 mph. |
| Wednesday |
Sunny, with a high near 104. North wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 82. East wind 5 to 10 mph. |
| Thursday |
Sunny, with a high near 101. East southeast wind around 10 mph. |
| Thursday Night |
Clear, with a low around 81. |
| Friday |
Sunny, with a high near 101. |
| Friday Night |
Mostly clear, with a low around 82. |
| Saturday |
Sunny, with a high near 100. |
| Saturday Night |
Mostly clear, with a low around 81. |
Forecast from NOAA-NWS for Plano, TX.