Shiro, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shiro, a community in Grimes County, Texas.
Overnight
75°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 75. South wind around 5 mph.
7-day forecast for Shiro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 75°F | Patchy Fog | 5 mph S | 0% |
| Tuesday | 98°F | Patchy Fog then Sunny | 5 mph S | 0% |
| Tuesday Night | 77°F | Mostly Clear | 5 to 10 mph S | 0% |
| Wednesday | 97°F | Sunny | 5 to 10 mph S | 0% |
| Wednesday Night | 76°F | Mostly Clear | 5 to 10 mph S | 1% |
| Thursday | 97°F | Sunny | 5 to 10 mph S | 3% |
| Thursday Night | 76°F | Mostly Clear | 5 to 10 mph S | 4% |
| Friday | 95°F | Sunny | 0 to 10 mph S | 10% |
| Friday Night | 75°F | Mostly Clear | 0 to 10 mph S | 9% |
| Saturday | 94°F | Sunny | 0 to 10 mph SE | 12% |
| Saturday Night | 75°F | Mostly Clear | 0 to 10 mph SE | 12% |
| Sunday | 94°F | Sunny | 0 to 10 mph SE | 9% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 10 mph S | 9% |
| Monday | 95°F | Mostly Sunny | 0 to 10 mph S | 14% |
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 Aug 4, 2026.