Gem Lake, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gem Lake, a city in Ramsey County, Minnesota.
Tonight
51°F
Rain
Rain and patchy fog before 3am, then rain and a slight chance of thunderstorms. Cloudy, with a low around 51. North northeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Gem Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Rain | 5 to 10 mph NNE | 98% |
| Wednesday | 56°F | Light Rain | 5 to 10 mph NNE | 82% |
| Wednesday Night | 45°F | Light Rain | 10 to 15 mph NNW | 79% |
| Thursday | 49°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 46% |
| Thursday Night | 36°F | Mostly Cloudy | 5 to 10 mph NNE | 2% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 32°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph SSW | 1% |
| Saturday Night | 38°F | Partly Cloudy | 5 mph WSW | 9% |
| Sunday | 55°F | Mostly Sunny | 5 mph W | 9% |
| Sunday Night | 39°F | Partly Cloudy | 5 mph SSW | 1% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 1% |
| Tuesday | 53°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Gem Lake (45.061, -93.038). Updated through the day.
Growing snapshot for Gem Lake
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
177 days
Hardiness zone
5a
More local growing data for Gem Lake: nearby ZIP 55127 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Arden Hills
Falcon Heights
Landfall
Lilydale
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Mounds View
New Brighton
North Oaks
North St. Paul
Roseville
Shoreview
St. Paul
Vadnais Heights
White Bear Lake
Climate data from the nearest NOAA station, Vadnais Lake, Mn (2.5 mi from Gem Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.