New Ulm, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Ulm, a city in Brown County, Minnesota.
This Afternoon
56°F
Rain
Rain and patchy fog. Cloudy. High near 56, with temperatures falling to around 53 in the afternoon. North northwest wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for New Ulm
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Rain | 15 mph NNW | 98% |
| Tonight | 44°F | Rain | 10 to 15 mph NNW | 100% |
| Wednesday | 51°F | Rain | 15 mph NW | 99% |
| Wednesday Night | 40°F | Light Rain | 15 mph NW | 100% |
| Thursday | 48°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph NNW | 43% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Friday | 47°F | Mostly Sunny | 0 to 5 mph ENE | 0% |
| Friday Night | 30°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 55°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 2% |
| Sunday | 59°F | Sunny | 5 mph W | 4% |
| Sunday Night | 36°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph WNW | 0% |
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 Nov 4, 2026.