Seabrook, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seabrook, a city in Harris County, Texas.
Tonight
64°F
Slight Chance Rain Showers then Partly Cloudy
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 64. North wind around 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Seabrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Slight Chance Rain Showers then Partly Cloudy | 15 mph N | 17% |
| Wednesday | 73°F | Sunny | 5 to 15 mph N | 0% |
| Wednesday Night | 63°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Thursday | 76°F | Mostly Sunny then Chance Rain Showers | 5 mph E | 28% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 5 to 15 mph N | 40% |
| Friday | 75°F | Mostly Sunny | 10 to 15 mph N | 11% |
| Friday Night | 63°F | Mostly Clear | 5 to 15 mph N | 2% |
| Saturday | 72°F | Mostly Sunny | 10 to 15 mph NE | 12% |
| Saturday Night | 60°F | Partly Cloudy | 10 to 15 mph N | 29% |
| Sunday | 69°F | Mostly Sunny | 10 to 15 mph N | 15% |
| Sunday Night | 57°F | Mostly Clear | 10 mph N | 4% |
| Monday | 70°F | Sunny | 5 to 10 mph NE | 3% |
| Monday Night | 58°F | Mostly Clear | 5 mph NE | 0% |
| Tuesday | 72°F | Sunny | 5 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov) for Seabrook (29.595, -94.991). Updated through the day.
Growing snapshot for Seabrook
Last spring frost
Jan 31
First fall frost
Dec 14
Growing season
317 days
Hardiness zone
9b
More local growing data for Seabrook: nearby ZIP 77586 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Houston Nwso, Tx (8.1 mi from Seabrook). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.