Peterson, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Peterson, a city in Fillmore County, Minnesota.
This Afternoon
67°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Peterson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms | 6 to 9 mph S | 80% |
| Tonight | 53°F | Rain Showers | 5 to 12 mph SE | 93% |
| Wednesday | 55°F | Rain Showers | 7 to 14 mph SW | 75% |
| Wednesday Night | 46°F | Rain Showers | 14 mph W | 89% |
| Thursday | 50°F | Rain Showers | 13 mph NW | 76% |
| Thursday Night | 38°F | Mostly Cloudy | 7 to 12 mph N | 10% |
| Friday | 48°F | Partly Sunny | 3 to 8 mph N | 1% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 9% |
| Sunday | 58°F | Sunny | 7 mph W | 11% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SW | 4% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 6 mph W | 1% |
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 Nov 3, 2026.