Richwood, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Richwood, a city in Brazoria County, Texas.
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. Southeast wind 0 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Richwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 0 to 10 mph SE | 3% |
| Sunday | 92°F | Mostly Sunny | 0 to 10 mph E | 11% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 5 mph SE | 5% |
| Monday | 93°F | Sunny | 0 to 5 mph E | 8% |
| Monday Night | 75°F | Mostly Clear | 0 to 5 mph E | 8% |
| Tuesday | 94°F | Sunny | 0 to 5 mph NE | 14% |
| Tuesday Night | 76°F | Mostly Clear | 0 to 5 mph NE | 13% |
| Wednesday | 93°F | Sunny | 0 to 10 mph NE | 12% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 10 mph NE | 12% |
| Thursday | 92°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph NE | 15% |
| Thursday Night | 75°F | Mostly Clear | 0 to 10 mph NE | 10% |
| Friday | 92°F | Sunny | 5 to 10 mph E | 5% |
| Friday Night | 74°F | Mostly Clear | 0 to 5 mph NE | 5% |
| Saturday | 91°F | Mostly Sunny | 0 to 10 mph NE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Richwood (29.064, -95.402). Updated through the day.
Growing snapshot for Richwood
Last spring frost
Jan 27
First fall frost
Jan 1
Growing season
338 days
Hardiness zone
9b
More local growing data for Richwood: nearby ZIP 77531 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Alvin
Angleton
Bailey's Prairie
Bonney
Brazoria
Clute
Danbury
East Columbia
Freeport
Hillcrest Village
Holiday Lakes
Iowa Colony
Jones Creek
Lake Jackson
Liverpool
Manvel
Oyster Creek
Pearland
Quintana
Rosharon
Sandy Point
Surfside Beach
Sweeny
West Columbia
Wild Peach Village
Climate data from the nearest NOAA station, Freeport 2 Nw, Tx (4 mi from Richwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.