Grey Forest, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grey Forest, a city in Bexar County, Texas.
This Afternoon
89°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 89. East southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Grey Forest
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Slight Chance Showers And Thunderstorms | 5 mph ESE | 15% |
| Tonight | 73°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph SE | 15% |
| Saturday | 95°F | Sunny | 0 to 5 mph SE | 1% |
| Saturday Night | 72°F | Mostly Clear | 5 mph SSE | 1% |
| Sunday | 96°F | Mostly Sunny | 5 mph SSE | 0% |
| Sunday Night | 73°F | Partly Cloudy | 5 mph SSE | 12% |
| Monday | 96°F | Mostly Sunny | 5 mph SE | 12% |
| Monday Night | 73°F | Mostly Clear | 0 to 5 mph SE | 11% |
| Tuesday | 96°F | Sunny | 0 to 5 mph ENE | 12% |
| Tuesday Night | 74°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 16% |
| Wednesday | 96°F | Mostly Sunny | 5 to 10 mph ENE | 14% |
| Wednesday Night | 74°F | Partly Cloudy | 5 to 10 mph E | 10% |
| Thursday | 95°F | Mostly Sunny | 5 to 10 mph ENE | 9% |
| Thursday Night | 73°F | Partly Cloudy | 5 to 10 mph E | 9% |
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 Sep 19, 2026.