La Porte, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Porte, a city in Harris County, Texas.
This Afternoon
85°F
Showers And Thunderstorms
Showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 85, with temperatures falling to around 78 in the afternoon. West wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for La Porte
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Showers And Thunderstorms | 5 to 10 mph W | 85% |
| Tonight | 61°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 15 mph N | 23% |
| Wednesday | 76°F | Sunny | 5 to 10 mph N | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Thursday | 79°F | Mostly Sunny then Chance Rain Showers | 5 mph E | 28% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 0 to 15 mph N | 37% |
| Friday | 78°F | Mostly Sunny | 5 to 15 mph N | 9% |
| Friday Night | 59°F | Partly Cloudy | 5 to 10 mph N | 2% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 11% |
| Saturday Night | 56°F | Partly Cloudy | 5 to 10 mph N | 28% |
| Sunday | 71°F | Mostly Sunny | 10 mph N | 15% |
| Sunday Night | 54°F | Mostly Clear | 5 mph N | 5% |
| Monday | 71°F | Sunny | 5 mph NE | 3% |
| Monday Night | 54°F | Mostly Clear | 0 to 5 mph NE | 0% |
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 Nov 3, 2026.