Interlaken, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Interlaken, a community in Santa Cruz County, California.
Today
62°F
Light Rain Likely
Rain likely. Partly sunny. High near 62, with temperatures falling to around 60 in the afternoon. South southwest wind 3 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Interlaken
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Light Rain Likely | 3 to 7 mph SSW | 72% |
| Tonight | 50°F | Chance Light Rain | 1 to 5 mph E | 33% |
| Wednesday | 68°F | Sunny | 2 to 7 mph NW | 1% |
| Wednesday Night | 50°F | Mostly Cloudy | 3 to 9 mph NNE | 0% |
| Thursday | 71°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Thursday Night | 49°F | Mostly Clear | 3 to 7 mph N | 0% |
| Friday | 75°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 51°F | Mostly Clear | 2 to 8 mph NNE | 0% |
| Saturday | 78°F | Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 52°F | Mostly Clear | 2 to 7 mph NNE | 0% |
| Sunday | 77°F | Mostly Sunny | 1 to 6 mph NW | 0% |
| Sunday Night | 54°F | Partly Cloudy | 2 to 9 mph NNW | 0% |
| Monday | 73°F | Partly Sunny | 1 to 5 mph NNW | 1% |
| Monday Night | 53°F | Mostly Cloudy | 3 to 9 mph NNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Interlaken (36.951, -121.738). Updated through the day.
Growing snapshot for Interlaken
Last spring frost
Jan 28
First fall frost
Dec 13
Growing season
324 days
Hardiness zone
9b
More local growing data for Interlaken: nearby ZIP 95076 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Watsonville Wtr Wks, Ca (1.3 mi from Interlaken). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.