Crystal, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crystal, a city in Hennepin County, Minnesota.
Today
75°F
Patchy Smoke then Mostly Sunny
Patchy smoke between 11am and noon. Mostly sunny, with a high near 75. West northwest wind around 10 mph.
7-day forecast for Crystal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke then Mostly Sunny | 10 mph WNW | 4% |
| Tonight | 57°F | Partly Cloudy | 0 to 10 mph W | 2% |
| Wednesday | 80°F | Sunny | 0 to 10 mph WSW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 83°F | Sunny | 5 to 15 mph SSW | 0% |
| Thursday Night | 66°F | Mostly Clear | 10 to 15 mph SSW | 3% |
| Friday | 86°F | Sunny | 10 mph SSW | 10% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 23% |
| Saturday | 85°F | Sunny | 5 to 10 mph S | 14% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 51% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 51% |
| Sunday Night | 66°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph NNE | 17% |
| Monday | 83°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 21% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 23% |
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 Aug 4, 2026.