Harman US

Perham, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Perham, a city in Otter Tail County, Minnesota.

This Afternoon
50°F
Cloudy
Cloudy. High near 50, with temperatures falling to around 47 in the afternoon. North northwest wind around 18 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Perham

WhenTempForecastWindPrecip
This Afternoon 50°F Cloudy 18 mph NNW 11%
Tonight 41°F Light Rain 14 to 17 mph N 84%
Wednesday 46°F Light Rain 18 mph N 90%
Wednesday Night 34°F Chance Light Rain then Mostly Cloudy 14 to 18 mph NNW 25%
Thursday 41°F Partly Sunny 8 to 15 mph N 1%
Thursday Night 27°F Partly Cloudy 1 to 7 mph ENE 0%
Friday 41°F Mostly Sunny 2 to 6 mph SSE 0%
Friday Night 29°F Partly Cloudy 5 mph SSW 0%
Saturday 50°F Mostly Sunny 6 to 12 mph SW 8%
Saturday Night 34°F Slight Chance Light Rain then Partly Cloudy 6 to 9 mph W 15%
Sunday 52°F Mostly Sunny 6 to 10 mph WSW 5%
Sunday Night 36°F Partly Cloudy 7 mph SSW 1%
Monday 54°F Mostly Sunny 8 to 17 mph WSW 1%
Monday Night 35°F Mostly Clear 6 to 10 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Perham (46.600, -95.577). Updated through the day.

Growing snapshot for Perham

Last spring frost
May 10
First fall frost
Sep 29
Growing season
141 days
Hardiness zone
4a

More local growing data for Perham: nearby ZIP 56573 weather · frost dates · planting calendar · Minnesota frost dates

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Climate data from the nearest NOAA station, New York Mills, Mn (9.6 mi from Perham). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.