Peterson, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Peterson, a city in Fillmore County, Minnesota.
Today
63°F
Rain Showers Likely
Rain showers likely before 1pm, then showers and thunderstorms likely. Cloudy, with a high near 63. Northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Peterson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Rain Showers Likely | 6 mph NE | 70% |
| Tonight | 54°F | Chance Showers And Thunderstorms then Cloudy | 9 mph NE | 43% |
| Sunday | 66°F | Mostly Cloudy | 12 mph NE | 10% |
| Sunday Night | 48°F | Mostly Cloudy | 8 mph NE | 5% |
| Monday | 63°F | Slight Chance Rain Showers | 9 mph NE | 16% |
| Monday Night | 44°F | Mostly Cloudy | 3 to 7 mph NE | 7% |
| Tuesday | 62°F | Mostly Sunny | 3 to 7 mph NE | 6% |
| Tuesday Night | 41°F | Mostly Clear | 5 mph E | 2% |
| Wednesday | 65°F | Sunny | 2 to 6 mph E | 1% |
| Wednesday Night | 46°F | Mostly Clear | 3 mph E | 4% |
| Thursday | 67°F | Mostly Sunny | 1 to 5 mph E | 8% |
| Thursday Night | 48°F | Partly Cloudy | 2 mph SE | 4% |
| Friday | 70°F | Mostly Sunny | 1 to 5 mph SE | 4% |
| Friday Night | 50°F | Partly Cloudy | 2 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Peterson (43.788, -91.832). Updated through the day.
Growing snapshot for Peterson
Last spring frost
May 8
First fall frost
Oct 3
Growing season
147 days
Hardiness zone
4b
More local growing data for Peterson: nearby ZIP 55962 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Canton
Chatfield
Fountain
Harmony
Lanesboro
Mabel
Preston
Rushford
Rushford Village
Spring Valley
Whalan
Wykoff
Climate data from the nearest NOAA station, Rushford, Mn (5.6 mi from Peterson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.