Baytown, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Baytown, a city in Harris County, Texas.
This Afternoon
93°F
Sunny
Sunny, with a high near 93. East wind around 10 mph.
7-day forecast for Baytown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Sunny | 10 mph E | 0% |
| Tonight | 75°F | Clear | 0 to 5 mph E | 0% |
| Saturday | 93°F | Sunny | 0 to 10 mph E | 0% |
| Saturday Night | 76°F | Mostly Clear | 0 to 5 mph E | 6% |
| Sunday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 20% |
| Sunday Night | 78°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 20% |
| Monday | 93°F | Mostly Sunny | 0 to 5 mph NE | 10% |
| Monday Night | 78°F | Mostly Clear | 0 to 5 mph S | 10% |
| Tuesday | 96°F | Sunny | 0 to 5 mph NE | 11% |
| Tuesday Night | 78°F | Mostly Clear | 0 to 5 mph E | 11% |
| Wednesday | 95°F | Sunny | 0 to 5 mph NE | 11% |
| Wednesday Night | 77°F | Mostly Clear | 0 to 5 mph E | 11% |
| Thursday | 93°F | Sunny | 5 to 10 mph NE | 9% |
| Thursday Night | 76°F | Mostly Clear | 0 to 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Baytown (29.765, -94.967). Updated through the day.
Growing snapshot for Baytown
Last spring frost
Feb 20
First fall frost
Dec 4
Growing season
292 days
Hardiness zone
9b
More local growing data for Baytown: nearby ZIP 77520 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Baytown, Tx (12.3 mi from Baytown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.