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Zimmerman, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Zimmerman, a city in Sherburne County, Minnesota.

Tonight
49°F
Rain
Rain and patchy fog. Cloudy, with a low around 49. North wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Zimmerman

WhenTempForecastWindPrecip
Tonight 49°F Rain 10 mph N 99%
Wednesday 54°F Rain 10 mph NNE 100%
Wednesday Night 43°F Light Rain 10 to 15 mph NNW 91%
Thursday 48°F Slight Chance Light Rain then Mostly Cloudy 10 to 15 mph N 19%
Thursday Night 32°F Mostly Cloudy 5 to 10 mph NNE 0%
Friday 44°F Mostly Sunny 0 to 5 mph ENE 0%
Friday Night 29°F Partly Cloudy 0 mph 0%
Saturday 51°F Mostly Sunny 0 to 10 mph SW 1%
Saturday Night 35°F Partly Cloudy 5 mph W 5%
Sunday 55°F Mostly Sunny 5 to 10 mph W 5%
Sunday Night 35°F Partly Cloudy 5 mph SW 0%
Monday 56°F Mostly Sunny 5 to 10 mph SW 1%
Monday Night 37°F Mostly Clear 5 mph WNW 1%
Tuesday 53°F Sunny 5 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov) for Zimmerman (45.441, -93.596). Updated through the day.

Growing snapshot for Zimmerman

Last spring frost
May 7
First fall frost
Sep 28
Growing season
144 days
Hardiness zone
4b

More local growing data for Zimmerman: nearby ZIP 55398 weather · frost dates · planting calendar · Minnesota frost dates

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Climate data from the nearest NOAA station, Santiago 3 E, Mn (10.1 mi from Zimmerman). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.