Shiro, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shiro, a community in Grimes County, Texas.
Tonight
72°F
Clear
Clear, with a low around 72. South wind 0 to 5 mph.
7-day forecast for Shiro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Clear | 0 to 5 mph S | 0% |
| Saturday | 97°F | Sunny | 0 to 10 mph SE | 0% |
| Saturday Night | 73°F | Mostly Clear | 0 to 10 mph S | 0% |
| Sunday | 96°F | Sunny | 0 to 5 mph S | 4% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 5 mph S | 4% |
| Monday | 96°F | Mostly Sunny | 0 to 5 mph S | 9% |
| Monday Night | 75°F | Partly Cloudy | 0 to 5 mph S | 9% |
| Tuesday | 96°F | Sunny | 0 to 5 mph N | 9% |
| Tuesday Night | 76°F | Partly Cloudy | 0 to 5 mph NE | 10% |
| Wednesday | 95°F | Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 75°F | Partly Cloudy | 0 to 10 mph E | 4% |
| Thursday | 94°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 10 mph E | 1% |
| Friday | 92°F | Mostly Sunny | 5 to 10 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Shiro (30.604, -95.888). Updated through the day.
Growing snapshot for Shiro
Last spring frost
Mar 2
First fall frost
Nov 26
Growing season
272 days
Hardiness zone
9a
More local growing data for Shiro: nearby ZIP 77876 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Huntsville Muni Ap, Tx (19 mi from Shiro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.