Smithville, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smithville, a city in Bastrop County, Texas.
This Afternoon
77°F
Sunny
Sunny, with a high near 77. North northeast wind around 0 mph.
7-day forecast for Smithville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 0 mph | 0% |
| Tonight | 50°F | Mostly Clear | 0 mph | 0% |
| Thursday | 81°F | Sunny | 0 to 5 mph SSE | 1% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 10 mph NNW | 14% |
| Friday | 74°F | Mostly Sunny | 10 to 15 mph N | 1% |
| Friday Night | 52°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 72°F | Mostly Cloudy | 10 mph N | 13% |
| Saturday Night | 50°F | Chance Rain Showers | 5 to 10 mph NNE | 43% |
| Sunday | 65°F | Chance Rain Showers | 5 to 10 mph NNE | 34% |
| Sunday Night | 47°F | Slight Chance Rain Showers | 0 to 5 mph N | 21% |
| Monday | 67°F | Slight Chance Rain Showers | 0 to 5 mph N | 17% |
| Monday Night | 46°F | Partly Cloudy | 0 mph | 4% |
| Tuesday | 69°F | Mostly Sunny | 0 mph | 8% |
| Tuesday Night | 48°F | Partly Cloudy | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for Smithville (30.008, -97.152). Updated through the day.
Growing snapshot for Smithville
Last spring frost
Mar 12
First fall frost
Nov 19
Growing season
251 days
Hardiness zone
9a
More local growing data for Smithville: nearby ZIP 78957 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Smithville, Tx (1.1 mi from Smithville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.