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
60°F
Light Rain Likely
Rain likely. Partly sunny. High near 60, with temperatures falling to around 57 in the afternoon. South wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Loma Mar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Light Rain Likely | 3 mph S | 56% |
| Tonight | 48°F | Chance Light Rain | 2 mph SSE | 37% |
| Wednesday | 63°F | Patchy Fog then Sunny | 2 to 7 mph NNE | 2% |
| Wednesday Night | 50°F | Mostly Cloudy | 2 to 7 mph NNW | 0% |
| Thursday | 67°F | Mostly Sunny | 2 to 7 mph NNW | 0% |
| Thursday Night | 49°F | Mostly Clear | 1 to 6 mph N | 0% |
| Friday | 70°F | Sunny | 1 to 6 mph N | 0% |
| Friday Night | 51°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 73°F | Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 52°F | Partly Cloudy | 3 mph NNW | 0% |
| Sunday | 72°F | Mostly Sunny | 1 to 6 mph N | 0% |
| Sunday Night | 53°F | Mostly Cloudy | 1 to 5 mph NNW | 0% |
| Monday | 68°F | Partly Sunny | 1 to 7 mph NNW | 1% |
| Monday Night | 51°F | Mostly Cloudy | 1 to 6 mph NNW | 2% |
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 Nov 4, 2026.