New Ulm, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Ulm, a city in Brown County, Minnesota.
Today
72°F
Slight Chance Showers And Thunderstorms then Patchy Smoke
A slight chance of showers and thunderstorms before 7am, then patchy smoke between noon and 1pm. Partly sunny, with a high near 72. Northwest wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for New Ulm
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Slight Chance Showers And Thunderstorms then Patchy Smoke | 10 mph NW | 15% |
| Tonight | 54°F | Patchy Smoke then Partly Cloudy | 0 to 10 mph WNW | 9% |
| Wednesday | 75°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 80°F | Sunny | 5 to 10 mph S | 1% |
| Thursday Night | 62°F | Mostly Clear | 5 to 10 mph S | 4% |
| Friday | 84°F | Sunny | 5 to 10 mph SSW | 12% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 18% |
| Saturday | 84°F | Sunny | 5 to 10 mph SSW | 10% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 43% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 43% |
| Sunday Night | 65°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph ENE | 28% |
| Monday | 81°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 28% |
| Monday Night | 64°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov) for New Ulm (44.312, -94.469). Updated through the day.
Growing snapshot for New Ulm
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for New Ulm: nearby ZIP 56073 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, New Ulm 2 Se, Mn (1.1 mi from New Ulm). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.