Whalan, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whalan, a city in Fillmore County, Minnesota.
This Afternoon
65°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 65. South wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Whalan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Showers And Thunderstorms | 6 to 10 mph S | 84% |
| Tonight | 52°F | Rain Showers | 6 to 9 mph SE | 90% |
| Wednesday | 54°F | Rain Showers Likely | 8 to 14 mph SW | 82% |
| Wednesday Night | 45°F | Rain Showers Likely | 14 mph W | 69% |
| Thursday | 50°F | Rain Showers | 14 mph NW | 76% |
| Thursday Night | 37°F | Mostly Cloudy | 14 mph N | 8% |
| Friday | 48°F | Partly Sunny | 7 to 12 mph N | 0% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 56°F | Mostly Sunny | 5 to 8 mph W | 5% |
| Sunday Night | 37°F | Partly Cloudy | 3 mph SW | 2% |
| Monday | 60°F | Mostly Sunny | 3 to 10 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Whalan (43.733, -91.925). Updated through the day.
Growing snapshot for Whalan
Last spring frost
May 14
First fall frost
Sep 28
Growing season
136 days
Hardiness zone
4b
More local growing data for Whalan: nearby ZIP 55949 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Canton
Chatfield
Fountain
Harmony
Lanesboro
Mabel
Peterson
Preston
Rushford
Rushford Village
Spring Valley
Wykoff
Climate data from the nearest NOAA station, Preston, Mn (7.5 mi from Whalan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.