Grant, MN Weather & Growing Conditions

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

Overnight

52°F

Light Rain

Rain and patchy fog. Cloudy, with a low around 52. North northwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Grant

When	Temp	Forecast	Wind	Precip
Overnight	52°F	Light Rain	5 mph NNW	91%
Wednesday	55°F	Light Rain	5 to 10 mph WNW	92%
Wednesday Night	43°F	Light Rain then Drizzle Likely	10 to 15 mph NW	96%
Thursday	48°F	Slight Chance Drizzle then Mostly Cloudy	10 to 15 mph N	15%
Thursday Night	32°F	Mostly Cloudy	5 to 10 mph N	0%
Friday	45°F	Mostly Sunny	0 to 5 mph NNE	0%
Friday Night	29°F	Mostly Clear	0 mph	0%
Saturday	48°F	Mostly Sunny	0 to 5 mph SSW	2%
Saturday Night	36°F	Mostly Clear	5 mph WSW	4%
Sunday	52°F	Sunny	5 mph W	4%
Sunday Night	36°F	Mostly Clear	0 to 5 mph SW	0%
Monday	57°F	Mostly Sunny	5 to 10 mph WSW	1%
Monday Night	39°F	Mostly Clear	5 mph WNW	1%
Tuesday	54°F	Sunny	5 mph WNW	1%

Forecast source: National Weather Service (api.weather.gov) for Grant (45.082, -92.911). Updated through the day.

Growing snapshot for Grant

Last spring frost

Apr 30

First fall frost

Oct 11

Growing season

163 days

Hardiness zone

More local growing data for Grant: nearby ZIP 55115 weather · frost dates · planting calendar · Minnesota frost dates

Nearby towns & communities

Afton Bayport Birchwood Village Cottage Grove Dellwood Hugo Lake Elmo Lake St. Croix Beach Lakeland Lakeland Shores Mahtomedi Marine on St. Croix Newport Oak Park Heights Oakdale Pine Springs Scandia St. Marys Point St. Paul Park Stillwater Willernie Woodbury

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Climate data from the nearest NOAA station, Stillwater 2Sw, Mn (5 mi from Grant). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.