New Ulm, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Ulm, a community in Austin County, Texas.
Overnight
54°F
Mostly Clear
Mostly clear, with a low around 54. North wind around 5 mph.
7-day forecast for New Ulm
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Clear | 5 mph N | 0% |
| Wednesday | 75°F | Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 52°F | Clear | 0 mph | 0% |
| Thursday | 79°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 10 mph SW | 7% |
| Friday | 75°F | Sunny | 5 to 10 mph N | 2% |
| Friday Night | 54°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 72°F | Partly Sunny | 5 to 10 mph N | 6% |
| Saturday Night | 51°F | Slight Chance Rain Showers | 5 mph N | 20% |
| Sunday | 66°F | Mostly Sunny | 5 to 10 mph N | 14% |
| Sunday Night | 47°F | Mostly Clear | 0 mph | 5% |
| Monday | 69°F | Sunny | 0 to 5 mph NE | 3% |
| Monday Night | 47°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 72°F | Mostly Sunny | 0 mph | 4% |
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 Nov 4, 2026.