New Ulm, MN Weather & Growing Conditions
Tonight
58°F
Patchy Fog
Patchy fog and showers and thunderstorms likely before 10pm, then patchy fog and a chance of showers and thunderstorms between 10pm and 1am, then a chance of drizzle and a slight chance of thunderstorms. Cloudy, with a low around 58. East northeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Patchy Fog | 10 to 15 mph ENE | 64% |
| Saturday | 65°F | Slight Chance Drizzle | 10 mph NE | 22% |
| Saturday Night | 54°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph NNE | 16% |
| Sunday | 68°F | Partly Sunny | 10 to 15 mph NE | 5% |
| Sunday Night | 50°F | Mostly Cloudy | 10 mph ENE | 14% |
| Monday | 63°F | Chance Rain Showers | 10 mph ENE | 38% |
| Monday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 34% |
| Tuesday | 65°F | Mostly Sunny | 5 to 10 mph E | 4% |
| Tuesday Night | 45°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SE | 1% |
| Wednesday Night | 49°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SSE | 17% |
| Thursday | 71°F | Slight Chance Rain Showers | 0 to 5 mph SSE | 17% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph SSE | 7% |
| Friday | 72°F | Mostly Sunny | 0 to 10 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Ulm, MN
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
Explore more for New Ulm, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, New Ulm 2 Se, Mn (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.