New Ulm, MN Weather & Growing Conditions
Today
72°F
Partly Sunny then Patchy Smoke
Patchy smoke between noon and 1pm. Partly sunny, with a high near 72. Northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Partly Sunny then Patchy Smoke | 10 mph NW | 13% |
| Tonight | 53°F | Patchy Smoke then Partly Cloudy | 0 to 10 mph WNW | 10% |
| 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 | 83°F | Sunny | 5 to 10 mph SSW | 12% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 19% |
| Saturday | 83°F | Sunny | 5 to 10 mph SSW | 11% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 10 mph ESE | 43% |
| Sunday | 82°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 | 29% |
| Monday | 81°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 29% |
| 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). 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 Aug 4, 2026.