Schertz, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Schertz, a city in Bexar County, Texas.
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 104. South southeast wind around 5 mph.
7-day forecast for Schertz
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 5 mph SSE | 0% |
| Tonight | 75°F | Mostly Clear | 5 to 10 mph S | 0% |
| Sunday | 97°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 76°F | Partly Cloudy | 0 to 10 mph SSE | 5% |
| Monday | 97°F | Sunny | 0 to 5 mph SE | 10% |
| Monday Night | 76°F | Mostly Clear | 0 to 10 mph SE | 10% |
| Tuesday | 97°F | Sunny | 0 to 10 mph ENE | 12% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 17% |
| Wednesday | 97°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph ENE | 17% |
| Wednesday Night | 75°F | Partly Cloudy | 0 to 10 mph E | 9% |
| Thursday | 96°F | Mostly Sunny | 5 to 10 mph ENE | 9% |
| Thursday Night | 74°F | Partly Cloudy | 5 to 10 mph E | 4% |
| Friday | 96°F | Mostly Sunny | 5 to 10 mph ENE | 4% |
| Friday Night | 73°F | Partly Cloudy | 5 to 10 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov) for Schertz (29.563, -98.251). Updated through the day.
Growing snapshot for Schertz
Last spring frost
Feb 21
First fall frost
Dec 5
Growing season
289 days
Hardiness zone
9a
More local growing data for Schertz: nearby ZIP 78154 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Alamo Heights
Balcones Heights
Castle Hills
China Grove
Converse
Cross Mountain
Elmendorf
Grey Forest
Helotes
Hill Country Village
Hollywood Park
Kirby
Lackland AFB
Leon Valley
Live Oak
Macdona
Olmos Park
Randolph AFB
San Antonio
Sandy Oaks
Selma
Shavano Park
Somerset
St. Hedwig
Terrell Hills
Timberwood Park
Universal City
Von Ormy
Windcrest
Climate data from the nearest NOAA station, Randolph Afb, Tx (0.7 mi from Schertz). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.