| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/02/2026 6:06am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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| Today |
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 98. Heat index values as high as 101. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. |
| Tonight |
A slight chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Partly cloudy. Low around 76, with temperatures rising to around 78 overnight. Heat index values as high as 100. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 4pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 93, with temperatures falling to around 91 in the afternoon. Heat index values as high as 99. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly clear. Low around 77, with temperatures rising to around 79 overnight. Heat index values as high as 99. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. |
| Friday |
A chance of rain showers before 1pm. Mostly sunny. High near 97, with temperatures falling to around 95 in the afternoon. South wind 5 to 10 mph. Chance of precipitation is 30%. |
| Friday Night |
Clear. Low around 77, with temperatures rising to around 79 overnight. South southeast wind 5 to 10 mph. |
| Saturday |
Sunny, with a high near 98. South wind around 5 mph. |
| Saturday Night |
Mostly clear, with a low around 78. South southeast wind 0 to 10 mph. |
| Sunday |
Sunny, with a high near 98. South southeast wind 0 to 10 mph. |
| Sunday Night |
Mostly clear, with a low around 79. |
| Labor Day |
Sunny, with a high near 98. |
| 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. |
Forecast from NOAA-NWS for Plano, TX.