| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 06/30/2026 11:57am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 98. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Tonight |
Clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Wednesday |
Sunny, with a high near 98. Heat index values as high as 101. South wind 10 to 15 mph. |
| Wednesday Night |
Clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 101. South southeast wind 5 to 15 mph. |
| Thursday |
Sunny, with a high near 98. South wind 5 to 10 mph. |
| Thursday Night |
Partly cloudy, with a low around 80. South southeast wind 5 to 10 mph. |
| Friday |
Mostly sunny, with a high near 99. South wind 5 to 10 mph. |
| Friday Night |
Mostly clear, with a low around 81. South southeast wind around 10 mph. |
| Independence Day |
Sunny, with a high near 101. South wind around 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 82. |
| Sunday |
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 99. Chance of precipitation is 20%. |
| Sunday Night |
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 79. Chance of precipitation is 20%. |
| Monday |
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 97. Chance of precipitation is 20%. |
| Monday Night |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Plano, TX.