Grey Forest, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grey Forest, a city in Bexar County, Texas.
Today
95°F
Mostly Sunny
Mostly sunny, with a high near 95. Heat index values as high as 102. South southeast wind 5 to 10 mph.
7-day forecast for Grey Forest
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Mostly Sunny | 5 to 10 mph SSE | 6% |
| Tonight | 75°F | Mostly Clear | 5 to 10 mph SSE | 6% |
| Wednesday | 96°F | Mostly Sunny | 5 to 10 mph SSE | 1% |
| Wednesday Night | 74°F | Partly Cloudy | 5 to 10 mph SSE | 1% |
| Thursday | 96°F | Mostly Sunny | 5 mph SSE | 3% |
| Thursday Night | 74°F | Partly Cloudy | 5 to 10 mph SSE | 3% |
| Friday | 95°F | Mostly Sunny | 5 mph SE | 1% |
| Friday Night | 75°F | Mostly Clear | 5 to 10 mph SE | 3% |
| Saturday | 93°F | Mostly Sunny | 0 to 5 mph SSE | 3% |
| Saturday Night | 75°F | Mostly Clear | 5 to 10 mph SE | 3% |
| Sunday | 93°F | Sunny | 0 to 10 mph SSE | 3% |
| Sunday Night | 75°F | Mostly Clear | 5 to 10 mph SSE | 3% |
| Monday | 94°F | Mostly Sunny | 5 to 10 mph SSE | 4% |
| Monday Night | 75°F | Mostly Clear | 10 to 15 mph SSE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Grey Forest (29.616, -98.683). Updated through the day.
Growing snapshot for Grey Forest
Last spring frost
Mar 15
First fall frost
Nov 13
Growing season
243 days
Hardiness zone
8b
More local growing data for Grey Forest: nearby ZIP 78255 weather · frost dates · planting calendar · Texas frost dates
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Windcrest
Climate data from the nearest NOAA station, Boerne, Tx (11.1 mi from Grey Forest). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.