Lake Elmo, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Elmo, a city in Washington County, Minnesota.
This Afternoon
60°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 60. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Lake Elmo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Showers And Thunderstorms | 15 mph E | 92% |
| Tonight | 54°F | Showers And Thunderstorms | 10 to 15 mph E | 92% |
| Saturday | 63°F | Rain Showers Likely then Drizzle Likely | 10 mph ENE | 69% |
| Saturday Night | 53°F | Mostly Cloudy | 5 to 10 mph NE | 14% |
| Sunday | 68°F | Partly Sunny | 10 to 15 mph NE | 1% |
| Sunday Night | 47°F | Mostly Cloudy | 5 to 10 mph ENE | 2% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph ENE | 7% |
| Monday Night | 43°F | Mostly Cloudy | 5 mph E | 5% |
| Tuesday | 64°F | Mostly Sunny | 5 mph E | 3% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 5 mph ESE | 0% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph SE | 8% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 50°F | Partly Cloudy | 0 mph | 10% |
Forecast source: National Weather Service (api.weather.gov) for Lake Elmo (44.988, -92.910). Updated through the day.
Growing snapshot for Lake Elmo
Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
5a
More local growing data for Lake Elmo: nearby ZIP 55042 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Afton
Bayport
Birchwood Village
Cottage Grove
Dellwood
Grant
Hugo
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
Climate data from the nearest NOAA station, Stillwater 2Sw, Mn (4.4 mi from Lake Elmo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.