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Shiro, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Shiro, a community in Grimes County, Texas.

This Afternoon
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 101. Southeast wind 5 to 10 mph.

7-day forecast for Shiro

WhenTempForecastWindPrecip
This Afternoon 95°F Sunny 5 to 10 mph SE 0%
Tonight 73°F Mostly Clear 0 to 10 mph S 0%
Sunday 96°F Mostly Sunny 0 to 5 mph S 1%
Sunday Night 75°F Partly Cloudy 0 to 10 mph SE 1%
Monday 97°F Mostly Sunny 0 to 5 mph S 5%
Monday Night 76°F Mostly Clear 0 to 5 mph S 5%
Tuesday 97°F Sunny 0 to 5 mph N 7%
Tuesday Night 77°F Partly Cloudy 0 to 5 mph NE 7%
Wednesday 97°F Sunny 5 to 10 mph NE 1%
Wednesday Night 76°F Partly Cloudy 0 to 10 mph E 1%
Thursday 95°F Mostly Sunny 5 to 10 mph NE 1%
Thursday Night 73°F Partly Cloudy 0 to 10 mph E 1%
Friday 94°F Mostly Sunny 5 to 10 mph E 0%
Friday Night 73°F Partly Cloudy 0 to 10 mph E 0%

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

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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 20, 2026.