O'Brien, TX Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. South southwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 10 mph SSW | 1% |
| Tonight | 76°F | Partly Cloudy | 10 mph S | 10% |
| Sunday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SSW | 54% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 54% |
| Monday | 90°F | Slight Chance Rain Showers | 5 to 10 mph NE | 18% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 10 mph ENE | 39% |
| Tuesday | 84°F | Chance Rain Showers | 10 mph NE | 39% |
| Tuesday Night | 63°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph ENE | 29% |
| Wednesday | 85°F | Chance Rain Showers | 5 to 10 mph ENE | 31% |
| Wednesday Night | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph E | 17% |
| Thursday | 88°F | Slight Chance Rain Showers then Partly Sunny | 5 mph SE | 17% |
| Thursday Night | 67°F | Mostly Cloudy | 5 to 10 mph ESE | 10% |
| Friday | 89°F | Partly Sunny | 5 mph SSE | 10% |
| Friday Night | 68°F | Mostly Cloudy | 5 to 10 mph SE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for O'Brien, TX
Last spring frost
Mar 28
First fall frost
Nov 7
Growing season
225 days
Hardiness zone
8a
Explore more for O'Brien, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Haskell, Tx (16.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.