Harman US

Fairmount, MN Weather & Growing Conditions

Tonight
52°F
Cloudy then Patchy Fog
Patchy fog after 1am. Cloudy. Low around 52, with temperatures rising to around 55 overnight. East northeast wind 7 to 13 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Cloudy then Patchy Fog 7 to 13 mph ENE 11%
Saturday 68°F Patchy Fog then Mostly Cloudy 7 to 10 mph NE 9%
Saturday Night 51°F Mostly Cloudy 6 to 9 mph NNE 1%
Sunday 69°F Mostly Cloudy 7 to 12 mph ENE 0%
Sunday Night 46°F Cloudy 8 mph E 8%
Monday 66°F Partly Sunny 7 mph E 8%
Monday Night 43°F Partly Cloudy 6 mph ESE 1%
Tuesday 68°F Mostly Sunny 5 to 13 mph SE 1%
Tuesday Night 45°F Partly Cloudy 10 mph SSE 4%
Wednesday 69°F Mostly Sunny 9 to 17 mph SSE 12%
Wednesday Night 49°F Slight Chance Rain Showers 12 mph SSE 24%
Thursday 73°F Slight Chance Rain Showers then Partly Sunny 10 mph SSE 24%
Thursday Night 51°F Partly Cloudy 8 mph SE 10%
Friday 74°F Mostly Sunny 6 to 14 mph SSE 10%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Fairmount, MN

Last spring frost
May 4
First fall frost
Oct 3
Growing season
152 days
Hardiness zone
4a

Explore more for Fairmount, MN: full frost dates · planting calendar · Minnesota frost dates

Climate data from the nearest NOAA station, Victor 4 N, Sd (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.