Port O'Connor, TX Weather & Growing Conditions
Overnight
80°F
Slight Chance Rain Showers
A slight chance of rain showers after 4am. Mostly clear, with a low around 80. Heat index values as high as 90. Southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 80°F | Slight Chance Rain Showers | 5 mph SE | 18% |
| Saturday | 92°F | Slight Chance Rain Showers then Sunny | 2 to 12 mph E | 15% |
| Saturday Night | 80°F | Mostly Clear | 1 to 12 mph SSE | 1% |
| Sunday | 92°F | Sunny | 1 to 10 mph E | 9% |
| Sunday Night | 81°F | Partly Cloudy | 2 to 10 mph SE | 3% |
| Monday | 93°F | Slight Chance Showers And Thunderstorms | 1 to 10 mph SE | 17% |
| Monday Night | 80°F | Mostly Clear | 0 to 10 mph ESE | 10% |
| Tuesday | 94°F | Sunny | 0 to 10 mph ENE | 12% |
| Tuesday Night | 80°F | Mostly Clear | 0 to 10 mph ENE | 7% |
| Wednesday | 94°F | Sunny | 2 to 13 mph ENE | 14% |
| Wednesday Night | 80°F | Mostly Clear | 2 to 13 mph E | 14% |
| Thursday | 93°F | Slight Chance Showers And Thunderstorms | 5 to 14 mph ENE | 18% |
| Thursday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 14 mph E | 17% |
| Friday | 93°F | Mostly Sunny then Slight Chance Rain Showers | 7 to 13 mph ENE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port O'Connor, TX
Last spring frost
Feb 4
First fall frost
Dec 27
Growing season
323 days
Hardiness zone
9b
Explore more for Port O'Connor, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Port O'connor, Tx (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.