Lake St. Croix Beach, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake St. Croix Beach, a city in Washington County, Minnesota.
Today
55°F
Light Rain
Rain and patchy fog. Mostly cloudy, with a high near 55. West southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lake St. Croix Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 55°F | Light Rain | 5 to 10 mph WSW | 93% |
| Tonight | 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 | 0 to 10 mph NNE | 0% |
| Friday | 45°F | Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 28°F | Mostly Clear | 0 mph | 0% |
| Saturday | 49°F | Mostly 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 | 38°F | Partly Cloudy | 0 to 5 mph WNW | 1% |
| Tuesday | 54°F | Sunny | 0 to 5 mph WNW | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for Lake St. Croix Beach (44.924, -92.766). Updated through the day.
Growing snapshot for Lake St. Croix Beach
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
5a
More local growing data for Lake St. Croix Beach: nearby ZIP 55043 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Afton
Bayport
Birchwood Village
Cottage Grove
Dellwood
Grant
Hugo
Lake Elmo
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
Climate data from the nearest NOAA station, Stillwater 1 Se, Mn (7.1 mi from Lake St. Croix Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.