Interlaken, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Interlaken, a community in Santa Cruz County, California.

Overnight

54°F

Haze

Haze. Mostly cloudy, with a low around 54. Southwest wind around 1 mph.

7-day forecast for Interlaken

When	Temp	Forecast	Wind	Precip
Overnight	54°F	Haze	1 mph SW	0%
Tuesday	76°F	Haze then Mostly Sunny	1 to 7 mph WSW	0%
Tuesday Night	55°F	Mostly Cloudy	0 to 5 mph WSW	1%
Wednesday	76°F	Mostly Sunny	0 to 7 mph WSW	0%
Wednesday Night	56°F	Partly Cloudy	0 to 6 mph W	0%
Thursday	79°F	Mostly Sunny	0 to 7 mph WNW	0%
Thursday Night	58°F	Partly Cloudy	0 to 6 mph W	0%
Friday	85°F	Sunny	0 to 6 mph NW	0%
Friday Night	60°F	Partly Cloudy	0 to 6 mph NW	0%
Saturday	81°F	Mostly Sunny	0 to 7 mph WSW	0%
Saturday Night	58°F	Partly Cloudy	0 to 6 mph SW	0%
Sunday	76°F	Mostly Sunny	0 to 7 mph SW	0%
Sunday Night	56°F	Partly Cloudy then Patchy Fog	1 to 7 mph SSW	0%
Monday	72°F	Patchy Fog then Mostly Sunny	1 to 8 mph SW	0%

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

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 Aug 4, 2026.