| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/03/2026 6:06am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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| Today |
A chance of rain showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. Partly sunny. High near 93, with temperatures falling to around 91 in the afternoon. Heat index values as high as 102. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A slight chance of showers and thunderstorms after 7pm. Mostly cloudy. Low around 75, with temperatures rising to around 77 overnight. Heat index values as high as 98. South southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 95. Heat index values as high as 104. South southeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
Mostly clear. Low around 76, with temperatures rising to around 78 overnight. Heat index values as high as 101. South wind 5 to 10 mph. |
| Saturday |
Sunny. High near 97, with temperatures falling to around 95 in the afternoon. South southeast wind 0 to 10 mph. |
| Saturday Night |
Mostly clear. Low around 77, with temperatures rising to around 79 overnight. South southeast wind 0 to 10 mph. |
| Sunday |
Sunny, with a high near 98. South southeast wind 0 to 5 mph. |
| Sunday Night |
Mostly clear, with a low around 78. South southeast wind 0 to 10 mph. |
| Labor Day |
Sunny, with a high near 98. South southeast wind 0 to 10 mph. |
| Monday Night |
Mostly clear, with a low around 79. |
| Tuesday |
Sunny, with a high near 98. |
| Tuesday Night |
Mostly clear, with a low around 78. |
| Wednesday |
Sunny, with a high near 98. |
| Wednesday Night |
Mostly clear, with a low around 78. |
Forecast from NOAA-NWS for Plano, TX.