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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.

Today
66°F
Cloudy
Cloudy, with a high near 66. Northeast wind around 12 mph.

7-day forecast for Underwood

WhenTempForecastWindPrecip
Today 66°F Cloudy 12 mph NE 3%
Tonight 53°F Mostly Cloudy 6 to 10 mph NE 2%
Sunday 65°F Mostly Cloudy 10 to 14 mph ENE 0%
Sunday Night 46°F Mostly Cloudy 10 mph E 0%
Monday 65°F Mostly Sunny 10 mph E 2%
Monday Night 44°F Mostly Clear 7 mph ESE 2%
Tuesday 65°F Sunny 7 to 13 mph SE 1%
Tuesday Night 46°F Mostly Clear 12 mph SE 0%
Wednesday 66°F Sunny 9 to 16 mph SSE 3%
Wednesday Night 50°F Partly Cloudy 8 to 12 mph SSE 11%
Thursday 68°F Partly Sunny 8 to 14 mph SSE 11%
Thursday Night 52°F Partly Cloudy 7 to 10 mph SSE 9%
Friday 71°F Mostly Sunny 7 to 15 mph SSE 9%
Friday Night 54°F Partly Cloudy 14 mph SSE 14%

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.