Port O'Connor, TX Weather & Growing Conditions
This Afternoon
83°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny. High near 83, with temperatures falling to around 77 in the afternoon. Heat index values as high as 88. West northwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Showers And Thunderstorms Likely | 10 mph WNW | 73% |
| Tonight | 61°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 7 mph N | 21% |
| Wednesday | 76°F | Sunny | 5 to 9 mph NNE | 0% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 3 mph ESE | 6% |
| Thursday | 79°F | Mostly Sunny then Chance Rain Showers | 3 to 9 mph ESE | 29% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely | 1 to 8 mph NE | 56% |
| Friday | 77°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 8 to 14 mph N | 24% |
| Friday Night | 61°F | Partly Cloudy | 8 mph N | 4% |
| Saturday | 74°F | Chance Rain Showers | 9 to 13 mph NNE | 31% |
| Saturday Night | 59°F | Chance Rain Showers | 7 to 10 mph NNE | 30% |
| Sunday | 72°F | Slight Chance Rain Showers then Mostly Sunny | 9 to 14 mph NNE | 17% |
| Sunday Night | 57°F | Mostly Clear | 5 to 8 mph N | 8% |
| Monday | 72°F | Sunny | 6 to 9 mph NNE | 4% |
| Monday Night | 59°F | Mostly Clear | 1 to 6 mph NE | 2% |
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 Nov 3, 2026.