Harman US

Rosharon, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Rosharon, a community in Brazoria County, Texas.

This Afternoon
84°F
Showers And Thunderstorms
Showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 84, with temperatures falling to around 78 in the afternoon. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Rosharon

WhenTempForecastWindPrecip
This Afternoon 84°F Showers And Thunderstorms 5 to 10 mph W 82%
Tonight 56°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 mph N 18%
Wednesday 77°F Sunny 0 to 5 mph N 0%
Wednesday Night 54°F Mostly Clear 0 mph 3%
Thursday 81°F Mostly Sunny then Chance Rain Showers 0 to 5 mph E 30%
Thursday Night 61°F Chance Showers And Thunderstorms 0 to 5 mph N 41%
Friday 79°F Mostly Sunny 5 to 10 mph N 14%
Friday Night 55°F Mostly Clear 0 to 5 mph N 1%
Saturday 75°F Partly Sunny 5 to 10 mph N 16%
Saturday Night 52°F Slight Chance Rain Showers then Partly Cloudy 5 mph N 30%
Sunday 72°F Mostly Sunny 5 to 10 mph N 15%
Sunday Night 49°F Mostly Clear 0 to 5 mph N 6%
Monday 73°F Sunny 0 to 5 mph NE 2%
Monday Night 49°F Mostly Clear 0 mph 0%

Forecast source: National Weather Service (api.weather.gov) for Rosharon (29.350, -95.453). Updated through the day.

Growing snapshot for Rosharon

Last spring frost
Feb 15
First fall frost
Dec 6
Growing season
297 days
Hardiness zone
9b

More local growing data for Rosharon: nearby ZIP 77583 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Thompsons 3 Wsw, Tx (13 mi from Rosharon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.