Herman, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Herman, a city in Grant County, Minnesota.
Overnight
52°F
Mostly Clear
Mostly clear. Low around 52, with temperatures rising to around 55 overnight. Northwest wind around 10 mph.
7-day forecast for Herman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 10 mph NW | 0% |
| Tuesday | 72°F | Sunny | 10 mph WNW | 0% |
| Tuesday Night | 52°F | Mostly Clear | 2 to 8 mph SW | 0% |
| Wednesday | 78°F | Sunny | 5 to 9 mph SSW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 6 to 12 mph SSW | 3% |
| Thursday | 83°F | Sunny | 9 to 14 mph SSW | 3% |
| Thursday Night | 62°F | Mostly Clear | 10 mph S | 10% |
| Friday | 84°F | Sunny | 7 to 10 mph SSW | 7% |
| Friday Night | 61°F | Mostly Clear | 5 to 8 mph SE | 10% |
| Saturday | 83°F | Sunny then Slight Chance Rain Showers | 5 to 9 mph ESE | 15% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 6 to 10 mph ENE | 32% |
| Sunday | 82°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 8 mph NNE | 24% |
| Sunday Night | 63°F | Partly Cloudy then Slight Chance Rain Showers | 8 mph ENE | 20% |
| Monday | 80°F | Slight Chance Rain Showers | 9 mph NE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Herman (45.811, -96.141). Updated through the day.
Growing snapshot for Herman
Last spring frost
May 1
First fall frost
Oct 9
Growing season
160 days
Hardiness zone
4b
More local growing data for Herman: nearby ZIP 56248 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wheaton, Mn (17.8 mi from Herman). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.