Mount Hermon, CA Weather & Growing Conditions

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

This Afternoon

82°F

Sunny

Sunny. High near 82, with temperatures falling to around 80 in the afternoon. Northwest wind around 7 mph.

7-day forecast for Mount Hermon

When	Temp	Forecast	Wind	Precip
This Afternoon	82°F	Sunny	7 mph NW	0%
Tonight	53°F	Mostly Clear then Patchy Fog	1 to 5 mph N	0%
Saturday	82°F	Areas Of Fog then Mostly Sunny	0 to 5 mph SE	0%
Saturday Night	54°F	Mostly Cloudy	3 mph NW	0%
Sunday	77°F	Patchy Fog then Partly Sunny	1 to 5 mph NW	2%
Sunday Night	53°F	Patchy Fog	0 to 5 mph NW	2%
Monday	76°F	Areas Of Fog then Mostly Sunny	0 to 3 mph W	0%
Monday Night	52°F	Patchy Fog	0 to 3 mph NW	0%
Tuesday	81°F	Areas Of Fog then Mostly Sunny	0 to 3 mph W	0%
Tuesday Night	54°F	Mostly Clear	2 mph NW	0%
Wednesday	90°F	Sunny	2 mph WNW	0%
Wednesday Night	59°F	Mostly Clear	2 mph NW	0%
Thursday	92°F	Sunny	2 mph W	0%
Thursday Night	58°F	Partly Cloudy	2 mph NW	0%

Forecast source: National Weather Service (api.weather.gov) for Mount Hermon (37.051, -122.053). Updated through the day.

Growing snapshot for Mount Hermon

Last spring frost

Mar 25

First fall frost

Nov 11

Growing season

231 days

Hardiness zone

More local growing data for Mount Hermon: nearby ZIP 95041 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Amesti Aptos Aptos Hills-Larkin Valley Ben Lomond Bonny Doon Boulder Creek Brookdale Capitola Corralitos Davenport Day Valley Felton Freedom Interlaken La Selva Beach Lexington Hills Live Oak Lompico Pajaro Paradise Park Pasatiempo Pleasure Point Rio del Mar Santa Cruz Scotts Valley Seacliff Soquel Twin Lakes Watsonville Zayante

All California locations ›

Climate data from the nearest NOAA station, Ben Lomond #4, Ca (2.7 mi from Mount Hermon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.