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Interlaken, CA Weather & Growing Conditions

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

This Afternoon
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. Southwest wind around 7 mph.

7-day forecast for Interlaken

WhenTempForecastWindPrecip
This Afternoon 74°F Sunny 7 mph SW 0%
Tonight 56°F Partly Cloudy then Patchy Fog 1 to 5 mph SE 0%
Saturday 75°F Areas Of Fog then Mostly Sunny 0 to 7 mph SSW 0%
Saturday Night 56°F Mostly Cloudy then Patchy Fog 1 to 5 mph S 0%
Sunday 71°F Areas Of Fog then Mostly Cloudy 1 to 6 mph SSW 2%
Sunday Night 55°F Mostly Cloudy then Patchy Fog 2 to 6 mph SW 2%
Monday 70°F Patchy Fog then Mostly Sunny 2 to 7 mph WSW 0%
Monday Night 55°F Patchy Fog 1 to 7 mph SW 0%
Tuesday 73°F Areas Of Fog then Mostly Sunny 1 to 7 mph SW 0%
Tuesday Night 56°F Partly Cloudy 0 to 6 mph NE 0%
Wednesday 84°F Sunny 1 to 6 mph NE 0%
Wednesday Night 60°F Partly Cloudy 1 to 5 mph N 0%
Thursday 85°F Sunny 1 to 6 mph SW 0%
Thursday Night 60°F Partly Cloudy 1 to 6 mph WNW 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
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 Sep 19, 2026.