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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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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.