New Ulm, TX Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 104. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 0 to 5 mph S | 1% |
| Tonight | 76°F | Mostly Clear | 0 to 5 mph S | 0% |
| Wednesday | 98°F | Sunny | 0 to 5 mph S | 6% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 5 mph S | 4% |
| Thursday | 97°F | Sunny | 0 to 5 mph S | 13% |
| Thursday Night | 75°F | Mostly Clear | 0 to 10 mph S | 13% |
| Friday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Friday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 15% |
| Saturday | 95°F | Sunny | 0 to 5 mph SE | 11% |
| Saturday Night | 75°F | Mostly Clear | 0 to 5 mph S | 11% |
| Sunday | 94°F | Sunny | 0 to 5 mph SE | 13% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 10 mph S | 13% |
| Monday | 95°F | Mostly Sunny | 0 to 10 mph S | 12% |
| Monday Night | 76°F | Mostly Clear | 5 to 10 mph S | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Ulm, TX
Last spring frost
Mar 9
First fall frost
Nov 20
Growing season
255 days
Hardiness zone
9a
Explore more for New Ulm, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Columbus, Tx (15.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.