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Underwood, MN Weather & Growing Conditions

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

Overnight
54°F
Cloudy
Cloudy. Low around 54, with temperatures rising to around 56 overnight. East wind around 12 mph.

7-day forecast for Underwood

WhenTempForecastWindPrecip
Overnight 54°F Cloudy 12 mph E 6%
Saturday 66°F Mostly Cloudy 12 mph ENE 2%
Saturday Night 52°F Partly Cloudy 7 to 10 mph NE 0%
Sunday 66°F Mostly Cloudy 10 to 14 mph ENE 0%
Sunday Night 48°F Mostly Cloudy 12 mph E 2%
Monday 64°F Partly Sunny 10 mph E 2%
Monday Night 45°F Partly Cloudy 8 mph ESE 1%
Tuesday 65°F Mostly Sunny 7 to 13 mph SE 1%
Tuesday Night 47°F Mostly Clear 10 mph SE 1%
Wednesday 66°F Mostly Sunny 8 to 15 mph SSE 6%
Wednesday Night 51°F Partly Cloudy then Slight Chance Rain Showers 8 to 12 mph SSE 19%
Thursday 69°F Slight Chance Rain Showers then Partly Sunny 8 to 12 mph S 19%
Thursday Night 53°F Partly Cloudy 8 mph SSE 8%
Friday 71°F Mostly Sunny 6 to 14 mph SSE 8%

Forecast source: National Weather Service (api.weather.gov) for Underwood (46.291, -95.873). Updated through the day.

Growing snapshot for Underwood

Last spring frost
May 4
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4a

More local growing data for Underwood: nearby ZIP 56586 weather · frost dates · planting calendar · Minnesota frost dates

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Climate data from the nearest NOAA station, Fergus Falls, Mn (13.8 mi from Underwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.