Baytown, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Baytown, a city in Harris County, Texas.
Overnight
78°F
Mostly Clear
Mostly clear, with a low around 78. Southwest wind around 0 mph.
7-day forecast for Baytown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 78°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 95°F | Sunny | 0 to 10 mph S | 5% |
| Tuesday Night | 79°F | Mostly Clear | 0 to 10 mph S | 2% |
| Wednesday | 94°F | Sunny | 0 to 10 mph S | 8% |
| Wednesday Night | 79°F | Clear | 0 to 10 mph S | 6% |
| Thursday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 17% |
| Thursday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 17% |
| Friday | 91°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 30% |
| Friday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SE | 30% |
| Saturday | 91°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph E | 26% |
| Saturday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 26% |
| Sunday | 91°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 33% |
| Sunday Night | 79°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 33% |
| Monday | 91°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 40% |
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 Aug 4, 2026.