| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 07/04/2026 6:06pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy. 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 |
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 100. Heat index values as high as 105. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday Night |
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 102. South southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
Mostly sunny. High near 98, with temperatures falling to around 96 in the afternoon. Heat index values as high as 104. South southeast wind around 5 mph. |
| Monday Night |
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear. Low around 77, with temperatures rising to around 79 overnight. East southeast wind 5 to 10 mph. Chance of precipitation is 20%. |
| Tuesday |
Mostly sunny, with a high near 97. Southeast wind around 5 mph. |
| Tuesday Night |
Mostly clear, with a low around 79. East southeast wind 5 to 10 mph. |
| Wednesday |
Sunny, with a high near 100. South wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 82. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Thursday |
Sunny, with a high near 102. |
| Thursday Night |
Clear, with a low around 82. |
| Friday |
Sunny, with a high near 101. |
| Friday Night |
Mostly clear, with a low around 82. |
| Saturday |
Sunny, with a high near 100. |
Forecast from NOAA-NWS for Plano, TX.