Emerald Lake Hills, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Emerald Lake Hills, a community in San Mateo County, California.

Overnight

56°F

Partly Cloudy

Partly cloudy, with a low around 56. South wind around 2 mph.

7-day forecast for Emerald Lake Hills

When	Temp	Forecast	Wind	Precip
Overnight	56°F	Partly Cloudy	2 mph S	0%
Tuesday	89°F	Haze then Sunny	2 to 7 mph ESE	0%
Tuesday Night	56°F	Mostly Clear	2 to 6 mph S	0%
Wednesday	88°F	Sunny	2 to 7 mph WSW	0%
Wednesday Night	58°F	Mostly Clear	0 to 7 mph SW	0%
Thursday	86°F	Sunny	0 to 7 mph WNW	0%
Thursday Night	59°F	Mostly Clear	0 to 7 mph WNW	0%
Friday	90°F	Sunny	1 to 7 mph WNW	0%
Friday Night	60°F	Mostly Clear	0 to 7 mph W	0%
Saturday	90°F	Sunny	0 to 7 mph W	0%
Saturday Night	60°F	Mostly Clear	2 to 7 mph W	0%
Sunday	85°F	Sunny	2 to 8 mph W	0%
Sunday Night	57°F	Mostly Clear	5 to 8 mph WSW	0%
Monday	80°F	Sunny	5 to 9 mph WSW	0%

Forecast source: National Weather Service (api.weather.gov) for Emerald Lake Hills (37.466, -122.265). Updated through the day.

Growing snapshot for Emerald Lake Hills

Last spring frost

Jan 17

First fall frost

Dec 12

Growing season

333 days

Hardiness zone

10a

More local growing data for Emerald Lake Hills: nearby ZIP 94061 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Atherton Baywood Park Belmont Brisbane Broadmoor Burlingame Colma Daly City El Granada Foster City Half Moon Bay Highlands Hillsborough La Honda Ladera Loma Mar Millbrae Montara Moss Beach North Fair Oaks Pacifica Pescadero Portola Valley Redwood City San Bruno San Carlos San Mateo South San Francisco West Menlo Park Woodside

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Climate data from the nearest NOAA station, Redwood City, Ca (1.1 mi from Emerald Lake Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.