Crystal, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crystal, a city in Hennepin County, Minnesota.
Tonight
57°F
Rain Showers Likely
Rain showers likely and patchy fog. Cloudy, with a low around 57. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Crystal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Rain Showers Likely | 10 to 15 mph E | 72% |
| Saturday | 63°F | Chance Rain Showers then Cloudy | 10 mph NE | 26% |
| Saturday Night | 54°F | Mostly Cloudy | 5 to 10 mph NNE | 11% |
| Sunday | 69°F | Partly Sunny | 10 mph NE | 1% |
| Sunday Night | 50°F | Mostly Cloudy | 5 to 10 mph ENE | 2% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph ENE | 7% |
| Monday Night | 47°F | Mostly Cloudy | 5 mph ENE | 5% |
| Tuesday | 65°F | Mostly Sunny | 5 mph E | 3% |
| Tuesday Night | 46°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 67°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph SSE | 10% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph SSE | 14% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph SSE | 7% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Crystal (45.037, -93.359). Updated through the day.
Growing snapshot for Crystal
Last spring frost
Apr 30
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5a
More local growing data for Crystal: nearby ZIP 55429 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Mpls Crystal Ap, Mn (0.5 mi from Crystal). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.