| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 07/03/2026 1:26pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 95. Heat index values as high as 100. South southeast wind around 5 mph. |
| Tonight |
Partly cloudy, with a low around 80. Heat index values as high as 99. South southeast wind around 10 mph. |
| Independence Day |
Sunny, with a high near 99. Heat index values as high as 104. South southwest wind 5 to 10 mph. |
| Saturday Night |
Mostly clear. Low around 81, with temperatures rising to around 83 overnight. Heat index values as high as 103. South southeast wind 5 to 10 mph. |
| Sunday |
Sunny, with a high near 100. South southwest wind 5 to 10 mph. |
| Sunday Night |
Partly cloudy, with a low around 81. South wind 5 to 10 mph. |
| Monday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. South southwest wind around 5 mph. Chance of precipitation is 20%. |
| Monday Night |
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph. Chance of precipitation is 20%. |
| Tuesday |
Mostly sunny, with a high near 98. South southwest wind around 5 mph. |
| Tuesday Night |
Partly cloudy, with a low around 80. |
| Wednesday |
Sunny, with a high near 99. |
| Wednesday Night |
Mostly clear, with a low around 81. |
| Thursday |
Sunny, with a high near 101. |
| Thursday Night |
Mostly clear, with a low around 82. |
Forecast from NOAA-NWS for Plano, TX.