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Bay City, TX Weather & Growing Conditions

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

This Afternoon
84°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 84, with temperatures falling to around 77 in the afternoon. Northwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Bay City

WhenTempForecastWindPrecip
This Afternoon 84°F Showers And Thunderstorms Likely 10 mph NW 74%
Tonight 57°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 mph N 18%
Wednesday 78°F Sunny 5 to 10 mph N 0%
Wednesday Night 56°F Mostly Clear 0 to 5 mph E 3%
Thursday 82°F Mostly Sunny then Chance Rain Showers 5 mph E 30%
Thursday Night 63°F Chance Showers And Thunderstorms 0 to 10 mph NE 44%
Friday 78°F Slight Chance Rain Showers then Mostly Sunny 5 to 10 mph N 21%
Friday Night 56°F Mostly Clear 5 mph N 2%
Saturday 75°F Mostly Sunny 5 to 10 mph N 18%
Saturday Night 54°F Slight Chance Rain Showers then Partly Cloudy 5 to 10 mph N 28%
Sunday 72°F Mostly Sunny 5 to 10 mph N 15%
Sunday Night 49°F Mostly Clear 5 mph N 11%
Monday 73°F Sunny 5 mph NE 3%
Monday Night 50°F Mostly Clear 0 to 5 mph NE 0%

Forecast source: National Weather Service (api.weather.gov) for Bay City (28.984, -95.960). Updated through the day.

Growing snapshot for Bay City

Last spring frost
Feb 20
First fall frost
Dec 3
Growing season
290 days
Hardiness zone
9b

More local growing data for Bay City: nearby ZIP 77414 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Bay City Wtr Wks, Tx (7.4 mi from Bay City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.