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Oak Grove, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Oak Grove, a city in Anoka County, Minnesota.

Tonight
54°F
Rain Showers Likely
Rain showers likely and patchy fog before 1am, then a chance of drizzle and patchy fog between 1am and 4am, then patchy fog and a slight chance of drizzle. Cloudy, with a low around 54. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Oak Grove

WhenTempForecastWindPrecip
Tonight 54°F Rain Showers Likely 10 to 15 mph E 74%
Saturday 64°F Slight Chance Drizzle then Cloudy 10 mph NE 16%
Saturday Night 51°F Mostly Cloudy 5 to 10 mph NE 5%
Sunday 69°F Mostly Sunny 10 to 15 mph NE 0%
Sunday Night 47°F Mostly Cloudy 5 to 15 mph NE 1%
Monday 64°F Mostly Cloudy 5 to 10 mph ENE 5%
Monday Night 43°F Mostly Cloudy 5 mph ENE 4%
Tuesday 65°F Mostly Sunny 5 to 10 mph E 2%
Tuesday Night 43°F Mostly Clear 0 to 5 mph ESE 1%
Wednesday 67°F Sunny 0 to 5 mph SE 0%
Wednesday Night 48°F Partly Cloudy 0 to 5 mph SE 9%
Thursday 70°F Mostly Sunny 0 to 5 mph SSE 14%
Thursday Night 50°F Partly Cloudy 0 to 5 mph SE 7%
Friday 72°F Mostly Sunny 0 to 10 mph ESE 8%

Forecast source: National Weather Service (api.weather.gov) for Oak Grove (45.348, -93.327). Updated through the day.

Growing snapshot for Oak Grove

Last spring frost
May 1
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
4b

More local growing data for Oak Grove: nearby ZIP 55070 weather · frost dates · planting calendar · Minnesota frost dates

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Climate data from the nearest NOAA station, Cedar, Mn (5.9 mi from Oak Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.