Seabrook, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seabrook, a city in Harris County, Texas.
Today
92°F
Sunny
Sunny, with a high near 92. Heat index values as high as 105. South wind 0 to 15 mph.
7-day forecast for Seabrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Sunny | 0 to 15 mph S | 7% |
| Tonight | 80°F | Mostly Clear | 5 to 15 mph S | 2% |
| Wednesday | 91°F | Sunny | 5 to 15 mph S | 8% |
| Wednesday Night | 81°F | Clear | 5 to 15 mph S | 6% |
| Thursday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph S | 18% |
| Thursday Night | 80°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 15 mph S | 18% |
| Friday | 89°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 24% |
| Friday Night | 80°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph S | 24% |
| Saturday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 22% |
| Saturday Night | 81°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph SE | 22% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 5 to 15 mph SE | 28% |
| Sunday Night | 81°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 15 mph S | 28% |
| Monday | 90°F | Chance Showers And Thunderstorms | 5 to 15 mph S | 36% |
| Monday Night | 81°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 15 mph S | 36% |
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 Aug 4, 2026.