Harman US

Frost, MN Weather & Growing Conditions

Overnight
60°F
Slight Chance Light Rain
A slight chance of rain before 5am, then patchy fog and a slight chance of rain. Cloudy. Low around 60, with temperatures rising to around 64 overnight. East wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 60°F Slight Chance Light Rain 5 mph E 24%
Saturday 65°F Patchy Fog 5 to 10 mph NNE 34%
Saturday Night 56°F Cloudy 10 mph NNE 11%
Sunday 66°F Mostly Cloudy 10 to 15 mph NE 6%
Sunday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 10 mph ENE 24%
Monday 61°F Chance Rain Showers 10 mph ENE 26%
Monday Night 45°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph ENE 24%
Tuesday 62°F Mostly Sunny 5 mph E 5%
Tuesday Night 43°F Mostly Clear 0 to 5 mph ESE 0%
Wednesday 65°F Sunny 5 mph SE 2%
Wednesday Night 48°F Partly Cloudy 0 to 5 mph SE 10%
Thursday 66°F Mostly Sunny 5 mph SE 12%
Thursday Night 51°F Partly Cloudy 0 to 5 mph SE 6%
Friday 69°F Mostly Sunny 0 to 5 mph SE 5%

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

Growing snapshot for Frost, MN

Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Wells, Mn (16.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.