Moss Beach, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Moss Beach, a community in San Mateo County, California.
Today
63°F
Light Rain
Rain. Mostly cloudy. High near 63, with temperatures falling to around 60 in the afternoon. South southwest wind 6 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Moss Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Light Rain | 6 to 18 mph SSW | 83% |
| Tonight | 48°F | Chance Light Rain then Mostly Cloudy | 5 to 8 mph SE | 37% |
| Wednesday | 63°F | Mostly Sunny | 7 to 14 mph NNE | 4% |
| Wednesday Night | 51°F | Mostly Cloudy | 7 to 14 mph NNW | 0% |
| Thursday | 66°F | Mostly Sunny | 6 to 10 mph NNW | 0% |
| Thursday Night | 50°F | Mostly Clear | 2 to 10 mph NNW | 0% |
| Friday | 67°F | Mostly Sunny | 2 to 7 mph NNW | 0% |
| Friday Night | 50°F | Patchy Fog | 2 to 7 mph N | 0% |
| Saturday | 71°F | Patchy Fog then Sunny | 2 to 6 mph NNE | 0% |
| Saturday Night | 53°F | Partly Cloudy | 7 mph NW | 0% |
| Sunday | 68°F | Mostly Sunny | 5 to 8 mph NNW | 0% |
| Sunday Night | 54°F | Mostly Cloudy | 3 to 8 mph NW | 0% |
| Monday | 67°F | Mostly Cloudy | 3 to 9 mph NW | 2% |
| Monday Night | 52°F | Mostly Cloudy then Areas Of Fog | 3 to 9 mph NNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Moss Beach (37.513, -122.498). Updated through the day.
Growing snapshot for Moss Beach
Last spring frost
Feb 6
First fall frost
Dec 17
Growing season
328 days
Hardiness zone
10a
More local growing data for Moss Beach: nearby ZIP 94018 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Half Moon Bay, Ca (2.8 mi from Moss Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.