New Ulm, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Ulm, a community in Austin County, Texas.
This Afternoon
76°F
Mostly Sunny
Mostly sunny. High near 76, with temperatures falling to around 73 in the afternoon. North wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Ulm
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Mostly Sunny | 5 mph N | 5% |
| Tonight | 54°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Wednesday | 74°F | Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 52°F | Mostly Clear | 0 mph | 2% |
| Thursday | 78°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph SE | 23% |
| Thursday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 10 mph N | 16% |
| Friday | 73°F | Sunny | 5 to 10 mph N | 3% |
| Friday Night | 52°F | Mostly Clear | 0 to 5 mph N | 1% |
| Saturday | 71°F | Partly Sunny | 5 to 10 mph N | 15% |
| Saturday Night | 50°F | Mostly Cloudy | 0 to 5 mph N | 16% |
| Sunday | 69°F | Mostly Sunny | 0 to 10 mph N | 8% |
| Sunday Night | 47°F | Mostly Clear | 0 mph | 15% |
| Monday | 71°F | Sunny | 0 to 5 mph NE | 2% |
| Monday Night | 47°F | Mostly Clear | 0 mph | 1% |
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.