Broadmoor, CA Weather & Growing Conditions

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

Tonight

57°F

Mostly Cloudy

Mostly cloudy, with a low around 57. West wind 6 to 10 mph.

7-day forecast for Broadmoor

When	Temp	Forecast	Wind	Precip
Tonight	57°F	Mostly Cloudy	6 to 10 mph W	1%
Saturday	69°F	Partly Sunny	5 to 13 mph WSW	0%
Saturday Night	57°F	Mostly Cloudy	8 to 13 mph W	2%
Sunday	64°F	Mostly Cloudy	8 to 12 mph W	2%
Sunday Night	57°F	Cloudy	7 to 12 mph W	2%
Monday	66°F	Partly Sunny	7 to 12 mph WSW	0%
Monday Night	57°F	Mostly Cloudy	6 to 12 mph WSW	0%
Tuesday	69°F	Partly Sunny	6 to 12 mph WSW	0%
Tuesday Night	57°F	Mostly Cloudy	3 to 12 mph WSW	0%
Wednesday	77°F	Mostly Sunny	3 to 10 mph SW	0%
Wednesday Night	58°F	Partly Cloudy	2 to 10 mph WSW	0%
Thursday	77°F	Mostly Sunny	2 to 10 mph WSW	0%
Thursday Night	58°F	Mostly Cloudy	6 to 10 mph WSW	0%
Friday	73°F	Partly Sunny	6 to 13 mph W	0%

Forecast source: National Weather Service (api.weather.gov) for Broadmoor (37.691, -122.481). Updated through the day.

Growing snapshot for Broadmoor

Last spring frost

Dec 30

First fall frost

Dec 25

Growing season

365 days

Hardiness zone

10a

More local growing data for Broadmoor: nearby ZIP 94015 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Atherton Baywood Park Belmont Brisbane Burlingame Colma Daly City El Granada Emerald Lake Hills 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

All California locations ›

Climate data from the nearest NOAA station, San Francisco Oceanside, Ca (3.5 mi from Broadmoor). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.