Rosharon, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rosharon, a community in Brazoria County, Texas.
Today
96°F
Sunny
Sunny. High near 96, with temperatures falling to around 93 in the afternoon. Heat index values as high as 106. South wind 0 to 10 mph.
7-day forecast for Rosharon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 0 to 10 mph S | 10% |
| Tonight | 76°F | Mostly Clear | 0 to 10 mph S | 5% |
| Wednesday | 95°F | Sunny | 0 to 10 mph S | 6% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 10 mph S | 4% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SE | 28% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 28% |
| Friday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SE | 33% |
| Friday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph E | 33% |
| Saturday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph E | 25% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 25% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 28% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 28% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 37% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 37% |
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 Aug 4, 2026.