Lake Crystal, MN Weather & Growing Conditions
Today
63°F
Chance Drizzle then Cloudy
A chance of drizzle before noon. Cloudy, with a high near 63. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Chance Drizzle then Cloudy | 5 to 10 mph NE | 29% |
| Tonight | 56°F | Cloudy | 5 to 10 mph NNE | 7% |
| Sunday | 67°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| Sunday Night | 50°F | Mostly Cloudy | 10 mph ENE | 10% |
| Monday | 63°F | Mostly Cloudy | 10 mph ENE | 12% |
| Monday Night | 45°F | Mostly Cloudy | 5 mph ENE | 9% |
| Tuesday | 64°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Tuesday Night | 43°F | Mostly Clear | 5 mph ESE | 1% |
| Wednesday | 67°F | Sunny | 5 mph SE | 3% |
| Wednesday Night | 48°F | Mostly Clear | 5 mph SE | 11% |
| Thursday | 69°F | Mostly Sunny | 5 mph SSE | 13% |
| Thursday Night | 51°F | Partly Cloudy | 5 mph SE | 8% |
| Friday | 72°F | Mostly Sunny | 5 to 10 mph SE | 5% |
| Friday Night | 53°F | Partly Cloudy | 5 mph SSE | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lake Crystal, MN
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
5a
Explore more for Lake Crystal, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Mankato, Mn (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.