New Ulm, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Ulm, a community in Austin County, Texas.
Tonight
71°F
Clear
Clear, with a low around 71. Southeast wind 0 to 5 mph.
7-day forecast for New Ulm
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 96°F | Sunny | 0 to 5 mph E | 0% |
| Saturday Night | 72°F | Clear | 0 to 5 mph SE | 0% |
| Sunday | 96°F | Sunny | 0 to 5 mph SE | 3% |
| Sunday Night | 74°F | Partly Cloudy | 0 to 5 mph SE | 3% |
| Monday | 96°F | Mostly Sunny | 0 mph | 11% |
| Monday Night | 74°F | Mostly Clear | 0 mph | 11% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NE | 8% |
| Tuesday Night | 75°F | Mostly Clear | 0 mph | 14% |
| Wednesday | 97°F | Sunny | 0 to 5 mph NE | 6% |
| Wednesday Night | 74°F | Mostly Clear | 0 to 5 mph E | 6% |
| Thursday | 95°F | Mostly Sunny | 0 to 10 mph NE | 3% |
| Thursday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 3% |
| Friday | 94°F | Sunny | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for New Ulm (29.883, -96.496). Updated through the day.
Growing snapshot for New Ulm
Last spring frost
Mar 9
First fall frost
Nov 20
Growing season
255 days
Hardiness zone
9a
More local growing data for New Ulm: nearby ZIP 78950 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Columbus, Tx (15.2 mi from New Ulm). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.