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City of Peñitas, TXPenitas, TX Weather Forecast
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Penitas Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY |
 |  |  | | | | | | | | | |
| Partly Cloudy | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 80°FLo: 27°C | Hi: 103°FHi: 39°C | Lo: 80°FLo: 27°C | Hi: 102°FHi: 39°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 100°FHi: 38°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Thu Sep 03 2026 
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Issued: 108 AM CDT Thu Sep 3 2026
Key Messages
Updated at 1241 AM CDT Thu Sep 3 2026- A Heat Advisory is in effect Thursday from 11 AM until 6 pm for Starr, southern Hidalgo, Cameron, Willacy, Kenedy Counties excluding the barrier islands.
- Major (level 3 of 4) to Extreme (level 4 of 4) Heat Risk is expected throughout much of Deep South Texas through early next week.
- A combination low relative humidity, dry grasses, and hot temperatures may raise concerns for favorable fire weather through Friday.
- Sea breeze showers and thundersto...