Marine on St. Croix, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marine on St. Croix, a city in Washington County, Minnesota.
This Afternoon
60°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 60. East southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Marine on St. Croix
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Showers And Thunderstorms | 10 to 15 mph ESE | 89% |
| Tonight | 53°F | Rain Showers | 10 to 15 mph E | 87% |
| Saturday | 63°F | Rain Showers Likely then Drizzle Likely | 10 mph ENE | 64% |
| Saturday Night | 51°F | Slight Chance Drizzle then Mostly Cloudy | 5 to 10 mph NE | 15% |
| Sunday | 69°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 45°F | Mostly Cloudy | 5 to 10 mph ENE | 2% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph E | 5% |
| Monday Night | 42°F | Mostly Cloudy | 0 to 5 mph E | 3% |
| Tuesday | 65°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Tuesday Night | 42°F | Partly Cloudy | 0 to 5 mph ESE | 0% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph ENE | 8% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph SE | 12% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 10% |
Forecast source: National Weather Service (api.weather.gov) for Marine on St. Croix (45.191, -92.778). Updated through the day.
Growing snapshot for Marine on St. Croix
Last spring frost
May 3
First fall frost
Oct 5
Growing season
154 days
Hardiness zone
4b
More local growing data for Marine on St. Croix: nearby ZIP 55047 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Afton
Bayport
Birchwood Village
Cottage Grove
Dellwood
Grant
Hugo
Lake Elmo
Lake St. Croix Beach
Lakeland
Lakeland Shores
Mahtomedi
Newport
Oak Park Heights
Oakdale
Pine Springs
Scandia
St. Marys Point
St. Paul Park
Stillwater
Willernie
Woodbury
Climate data from the nearest NOAA station, Forest Lake 5Ne, Mn (9.8 mi from Marine on St. Croix). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.