Galveston, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Galveston, a city in Galveston County, Texas.

Today

89°F

Sunny

Sunny, with a high near 89. Heat index values as high as 102. South wind 5 to 15 mph.

7-day forecast for Galveston

When	Temp	Forecast	Wind	Precip
Today	89°F	Sunny	5 to 15 mph S	2%
Tonight	84°F	Mostly Clear	10 to 15 mph S	2%
Wednesday	88°F	Sunny	10 mph S	1%
Wednesday Night	84°F	Mostly Clear	10 to 15 mph S	1%
Thursday	88°F	Sunny	10 to 15 mph S	11%
Thursday Night	83°F	Mostly Clear	5 to 15 mph S	11%
Friday	88°F	Sunny	5 to 10 mph SE	14%
Friday Night	83°F	Mostly Clear then Slight Chance Showers And Thunderstorms	5 to 10 mph SE	15%
Saturday	88°F	Slight Chance Showers And Thunderstorms then Sunny	5 to 10 mph SE	15%
Saturday Night	83°F	Mostly Clear	5 to 10 mph SE	12%
Sunday	88°F	Chance Showers And Thunderstorms	5 to 10 mph S	25%
Sunday Night	84°F	Slight Chance Showers And Thunderstorms	10 to 15 mph S	17%
Monday	88°F	Chance Showers And Thunderstorms	10 to 15 mph S	36%
Monday Night	84°F	Chance Showers And Thunderstorms then Partly Cloudy	10 to 15 mph S	25%

Forecast source: National Weather Service (api.weather.gov) for Galveston (29.186, -94.966). Updated through the day.

Growing snapshot for Galveston

Last spring frost

Jan 18

First fall frost

Jan 7

Growing season

365 days

Hardiness zone

10a

More local growing data for Galveston: nearby ZIP 77554 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Galveston Scholes Fld, Tx (4.7 mi from Galveston). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.