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.
Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. Northwest wind 5 to 10 mph.
7-day forecast for Marine on St. Croix
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 5 to 10 mph NW | 2% |
| Tonight | 54°F | Partly Cloudy | 0 to 10 mph WNW | 4% |
| Wednesday | 78°F | Sunny | 0 to 5 mph WSW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 83°F | Sunny | 5 to 15 mph SSW | 1% |
| Thursday Night | 63°F | Mostly Clear | 5 to 15 mph SSW | 3% |
| Friday | 86°F | Sunny | 5 to 10 mph SSW | 9% |
| Friday Night | 62°F | Chance Showers And Thunderstorms | 0 to 10 mph SSW | 37% |
| Saturday | 85°F | Mostly Sunny | 0 to 5 mph SSW | 14% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 5 mph NNE | 50% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 50% |
| Sunday Night | 62°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 18% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 22% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 23% |
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 Aug 4, 2026.