| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 07/12/2026 2:46am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 80. South southwest wind around 5 mph. |
| Sunday |
A chance of showers and thunderstorms after 7am. Partly sunny. High near 93, with temperatures falling to around 91 in the afternoon. Heat index values as high as 99. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy. Low around 75, with temperatures rising to around 77 overnight. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible. |
| Monday |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny. High near 90, with temperatures falling to around 88 in the afternoon. Heat index values as high as 98. South southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday Night |
A chance of showers and thunderstorms before 1am. Partly cloudy. Low around 73, with temperatures rising to around 75 overnight. Southeast wind 0 to 5 mph. Chance of precipitation is 40%. |
| Tuesday |
A chance of showers and thunderstorms between 7am and 4pm, then a chance of showers and thunderstorms. Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. East southeast wind 0 to 5 mph. Chance of precipitation is 40%. |
| Tuesday Night |
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South southeast wind 0 to 5 mph. Chance of precipitation is 40%. |
| Wednesday |
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 90. South wind 0 to 5 mph. Chance of precipitation is 30%. |
| Wednesday Night |
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 30%. |
| Thursday |
Mostly sunny, with a high near 92. |
| Thursday Night |
Partly cloudy, with a low around 76. |
| Friday |
Mostly sunny, with a high near 95. |
| Friday Night |
Mostly clear, with a low around 78. |
| Saturday |
Sunny, with a high near 97. |
Forecast from NOAA-NWS for Plano, TX.