Harman US

Loma Mar, CA Weather & Growing Conditions

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

This Afternoon
70°F
Sunny
Sunny. High near 70, with temperatures falling to around 66 in the afternoon. Northwest wind around 7 mph.

7-day forecast for Loma Mar

WhenTempForecastWindPrecip
This Afternoon 70°F Sunny 7 mph NW 0%
Tonight 52°F Patchy Fog 1 to 6 mph NW 1%
Saturday 71°F Patchy Fog then Mostly Sunny 0 to 7 mph NW 0%
Saturday Night 52°F Patchy Fog 1 to 5 mph NW 0%
Sunday 65°F Patchy Fog then Mostly Cloudy 2 to 6 mph NW 6%
Sunday Night 52°F Patchy Fog 0 to 6 mph NW 6%
Monday 67°F Patchy Fog then Partly Sunny 0 to 5 mph NW 2%
Monday Night 52°F Areas Of Fog 0 to 5 mph NW 1%
Tuesday 71°F Patchy Fog then Mostly Sunny 0 to 5 mph W 1%
Tuesday Night 53°F Partly Cloudy 0 to 5 mph NW 0%
Wednesday 79°F Mostly Sunny 0 to 5 mph NW 0%
Wednesday Night 57°F Partly Cloudy 0 to 5 mph NNW 0%
Thursday 80°F Mostly Sunny 0 to 5 mph WNW 0%
Thursday Night 57°F Partly Cloudy 0 to 3 mph NW 0%

Forecast source: National Weather Service (api.weather.gov) for Loma Mar (37.266, -122.301). Updated through the day.

Growing snapshot for Loma Mar

Last spring frost
Mar 2
First fall frost
Nov 25
Growing season
268 days
Hardiness zone
9b

More local growing data for Loma Mar: nearby ZIP 94060 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

All California locations ›

Climate data from the nearest NOAA station, San Gregorio 2 Se, Ca (6.6 mi from Loma Mar). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.