Crystal, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crystal, a city in Hennepin County, Minnesota.
This Afternoon
58°F
Light Rain
Rain before 5pm, then rain and patchy fog. Cloudy. High near 58, with temperatures falling to around 55 in the afternoon. North wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Crystal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Light Rain | 10 mph N | 80% |
| Tonight | 51°F | Rain | 10 mph N | 99% |
| Wednesday | 55°F | Rain | 5 to 10 mph N | 96% |
| Wednesday Night | 45°F | Light Rain | 10 to 15 mph NNW | 94% |
| Thursday | 48°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 32% |
| Thursday Night | 36°F | Mostly Cloudy | 5 to 10 mph NNE | 1% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 33°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 38°F | Partly Cloudy | 5 mph W | 9% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 7% |
| Sunday Night | 40°F | Partly Cloudy | 5 mph SW | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph WNW | 1% |
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 Nov 4, 2026.