Harman US

Watertown, MN Weather & Growing Conditions

This Afternoon
63°F
Cloudy
Cloudy, with a high near 63. North northeast wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 63°F Cloudy 10 mph NNE 13%
Tonight 51°F Mostly Cloudy 5 to 10 mph NNE 5%
Sunday 67°F Partly Sunny 10 mph NE 1%
Sunday Night 49°F Cloudy 5 to 10 mph ENE 0%
Monday 62°F Mostly Cloudy 5 mph ENE 5%
Monday Night 45°F Mostly Cloudy 0 to 5 mph ENE 3%
Tuesday 63°F Mostly Sunny 5 mph E 1%
Tuesday Night 43°F Mostly Clear 0 to 5 mph ESE 0%
Wednesday 66°F Sunny 5 mph SE 0%
Wednesday Night 50°F Partly Cloudy then Slight Chance Rain Showers 0 to 5 mph SE 16%
Thursday 67°F Chance Rain Showers 5 to 10 mph SE 26%
Thursday Night 54°F Slight Chance Rain Showers then Mostly Cloudy 0 to 5 mph SE 17%
Friday 72°F Partly Sunny 0 to 5 mph SE 10%
Friday Night 56°F Mostly Cloudy then Slight Chance Rain Showers 5 mph SE 15%

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

Growing snapshot for Watertown, MN

Last spring frost
Apr 30
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
4b

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

Climate data from the nearest NOAA station, Delano, Mn (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.