La Porte, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Porte, a city in Harris County, Texas.
Overnight
76°F
Mostly Clear
Mostly clear, with a low around 76. East wind 0 to 5 mph.
7-day forecast for La Porte
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Mostly Clear | 0 to 5 mph E | 0% |
| Saturday | 92°F | Sunny | 0 to 10 mph E | 0% |
| Saturday Night | 78°F | Mostly Clear then Slight Chance Rain Showers | 0 to 10 mph S | 15% |
| Sunday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 19% |
| Sunday Night | 79°F | Partly Cloudy | 0 to 10 mph S | 1% |
| Monday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 18% |
| Monday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 18% |
| Tuesday | 96°F | Sunny | 0 to 5 mph NE | 11% |
| Tuesday Night | 79°F | Mostly Clear | 0 to 5 mph SE | 11% |
| Wednesday | 95°F | Sunny | 5 to 10 mph NE | 12% |
| Wednesday Night | 79°F | Mostly Clear | 0 to 10 mph E | 12% |
| Thursday | 93°F | Sunny | 5 to 10 mph NE | 10% |
| Thursday Night | 77°F | Mostly Clear | 5 to 10 mph NE | 10% |
| Friday | 92°F | Sunny | 5 to 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for La Porte (29.667, -95.049). Updated through the day.
Growing snapshot for La Porte
Last spring frost
Jan 30
First fall frost
Dec 28
Growing season
330 days
Hardiness zone
9b
More local growing data for La Porte: nearby ZIP 77571 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Houston Hobby Ap, Tx (13.9 mi from La Porte). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.