St. Marys Point, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Marys Point, a city in Washington County, Minnesota.
Overnight
53°F
Light Rain
Rain and patchy fog. Mostly cloudy, with a low around 53. North 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 St. Marys Point
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Light Rain | 5 mph N | 87% |
| Wednesday | 55°F | Light Rain Likely then Drizzle | 5 to 10 mph WSW | 94% |
| Wednesday Night | 44°F | Light Rain then Drizzle Likely | 10 to 15 mph NW | 97% |
| Thursday | 48°F | Chance Drizzle then Mostly Cloudy | 10 to 15 mph N | 25% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph NNE | 0% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 28°F | Mostly Clear | 0 mph | 0% |
| Saturday | 49°F | Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph WSW | 4% |
| Sunday | 53°F | Sunny | 5 mph W | 4% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 39°F | Partly Cloudy | 0 to 5 mph WNW | 1% |
| Tuesday | 54°F | Sunny | 0 to 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for St. Marys Point (44.911, -92.770). Updated through the day.
Growing snapshot for St. Marys Point
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
5a
More local growing data for St. Marys Point: nearby ZIP 55043 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Afton
Bayport
Birchwood Village
Cottage Grove
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Lake Elmo
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Lakeland
Lakeland Shores
Mahtomedi
Marine on St. Croix
Newport
Oak Park Heights
Oakdale
Pine Springs
Scandia
St. Paul Park
Stillwater
Willernie
Woodbury
Climate data from the nearest NOAA station, Stillwater 1 Se, Mn (7.1 mi from St. Marys Point). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.