Pena, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pena, a community in Starr County, Texas.
This Afternoon
89°F
Mostly Sunny
Mostly sunny. High near 89, with temperatures falling to around 85 in the afternoon. North northwest wind 7 to 12 mph, with gusts as high as 23 mph.
7-day forecast for Pena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Mostly Sunny | 7 to 12 mph NNW | 2% |
| Tonight | 64°F | Partly Cloudy | 2 to 7 mph N | 2% |
| Wednesday | 85°F | Sunny | 3 mph NE | 1% |
| Wednesday Night | 67°F | Partly Cloudy | 3 mph ESE | 1% |
| Thursday | 91°F | Mostly Sunny | 5 mph SSE | 1% |
| Thursday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 1 to 6 mph NNW | 30% |
| Friday | 82°F | Slight Chance Rain Showers then Partly Sunny | 3 to 8 mph N | 22% |
| Friday Night | 64°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 3 mph NNE | 21% |
| Saturday | 77°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 40% |
| Saturday Night | 60°F | Chance Rain Showers | 2 to 8 mph N | 36% |
| Sunday | 76°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NNW | 24% |
| Sunday Night | 55°F | Partly Cloudy | 2 mph NNW | 11% |
| Monday | 78°F | Sunny | 1 to 5 mph N | 6% |
| Monday Night | 56°F | Mostly Clear | 1 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Pena (26.416, -98.970). Updated through the day.
Growing snapshot for Pena
Last spring frost
Jan 9
First fall frost
Jan 1
Growing season
363 days
Hardiness zone
9b
More local growing data for Pena: nearby ZIP 78585 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Falcon Dam, Tx (6.2 mi from Pena). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.