Whalan, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whalan, a city in Fillmore County, Minnesota.
Today
75°F
Mostly Cloudy then Scattered Rain Showers
Scattered rain showers after 2pm. Mostly cloudy. High near 75, with temperatures falling to around 73 in the afternoon. Northwest wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Whalan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Cloudy then Scattered Rain Showers | 6 to 9 mph NW | 45% |
| Tonight | 57°F | Chance Rain Showers | 6 mph W | 55% |
| Wednesday | 76°F | Mostly Sunny | 5 mph NW | 2% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 80°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 mph S | 0% |
| Friday | 83°F | Sunny | 5 to 12 mph SW | 8% |
| Friday Night | 64°F | Mostly Clear | 9 mph SW | 13% |
| Saturday | 83°F | Mostly Sunny | 6 to 9 mph SW | 12% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 8 mph SW | 39% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 10 mph SW | 39% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 7 mph SE | 39% |
| Monday | 82°F | Chance Rain Showers | 5 to 8 mph E | 39% |
| Monday Night | 65°F | Chance Rain Showers | 7 mph N | 28% |
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 Aug 4, 2026.