Seabrook, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seabrook, a city in Harris County, Texas.
Tonight
79°F
Mostly Clear
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.
7-day forecast for Seabrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 79°F | Mostly Clear | 5 to 10 mph SE | 0% |
| Saturday | 90°F | Sunny | 5 to 10 mph E | 1% |
| Saturday Night | 79°F | Mostly Clear | 5 to 10 mph SE | 11% |
| Sunday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 20% |
| Sunday Night | 80°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 20% |
| Monday | 91°F | Mostly Sunny | 5 to 10 mph NE | 9% |
| Monday Night | 80°F | Mostly Clear | 5 to 10 mph S | 9% |
| Tuesday | 94°F | Sunny | 5 to 10 mph NE | 11% |
| Tuesday Night | 81°F | Mostly Clear | 5 to 10 mph SE | 11% |
| Wednesday | 93°F | Sunny | 5 to 10 mph NE | 12% |
| Wednesday Night | 80°F | Mostly Clear | 5 to 10 mph E | 12% |
| Thursday | 91°F | Sunny | 10 to 15 mph NE | 11% |
| Thursday Night | 79°F | Mostly Clear | 5 to 10 mph NE | 11% |
| Friday | 90°F | Sunny | 10 mph NE | 4% |
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 Sep 19, 2026.