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Isanti, MN Weather & Growing Conditions

Overnight
51°F
Light Rain
Rain and patchy fog. Cloudy, with a low around 51. North wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 51°F Light Rain 10 mph N 85%
Wednesday 55°F Light Rain 5 to 10 mph N 94%
Wednesday Night 42°F Drizzle 10 to 15 mph NNW 88%
Thursday 47°F Slight Chance Drizzle then Mostly Cloudy 10 to 15 mph N 17%
Thursday Night 30°F Mostly Cloudy 0 to 10 mph NNE 0%
Friday 44°F Sunny 0 to 5 mph NNE 0%
Friday Night 27°F Partly Cloudy 0 mph 0%
Saturday 48°F Mostly Sunny 0 to 10 mph SSW 3%
Saturday Night 34°F Partly Cloudy 5 mph WSW 4%
Sunday 53°F Sunny 5 to 10 mph W 2%
Sunday Night 35°F Partly Cloudy 0 to 5 mph SW 0%
Monday 57°F Mostly Sunny 5 to 10 mph WSW 1%
Monday Night 36°F Mostly Clear 5 mph WNW 0%
Tuesday 53°F Mostly Sunny 5 mph WNW 1%

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

Growing snapshot for Isanti, MN

Last spring frost
May 2
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
4b

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

Climate data from the nearest NOAA station, Cambridge, Mn (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.