Herman, MN Weather & Growing Conditions
Overnight
55°F
Patchy Fog
Patchy fog. Cloudy. Low around 55, with temperatures rising to around 58 overnight. East northeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Patchy Fog | 7 mph ENE | 7% |
| Saturday | 66°F | Patchy Fog then Cloudy | 6 to 10 mph NE | 11% |
| Saturday Night | 53°F | Mostly Cloudy | 5 to 8 mph NNE | 3% |
| Sunday | 67°F | Mostly Cloudy | 8 to 12 mph ENE | 1% |
| Sunday Night | 47°F | Mostly Cloudy | 9 mph E | 1% |
| Monday | 67°F | Partly Sunny | 7 mph E | 2% |
| Monday Night | 43°F | Partly Cloudy | 6 mph ESE | 2% |
| Tuesday | 67°F | Sunny | 6 to 12 mph SE | 0% |
| Tuesday Night | 44°F | Mostly Clear | 9 mph SE | 0% |
| Wednesday | 68°F | Mostly Sunny | 10 to 15 mph SSE | 5% |
| Wednesday Night | 50°F | Slight Chance Rain Showers | 10 mph SE | 15% |
| Thursday | 70°F | Slight Chance Rain Showers then Partly Sunny | 9 to 13 mph SSE | 15% |
| Thursday Night | 52°F | Partly Cloudy | 9 mph SE | 10% |
| Friday | 73°F | Partly Sunny | 8 to 14 mph SSE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Herman, MN
Last spring frost
May 1
First fall frost
Oct 9
Growing season
160 days
Hardiness zone
4b
Explore more for Herman, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Wheaton, Mn (17.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.