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
66°F
Partly Sunny
Partly sunny. High near 66, with temperatures falling to around 64 in the afternoon. South wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Moss Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Partly Sunny | 10 mph S | 15% |
| Tonight | 56°F | Mostly Cloudy | 8 mph S | 1% |
| Wednesday | 67°F | Partly Sunny | 8 mph SSW | 0% |
| Wednesday Night | 57°F | Areas Of Fog | 0 to 7 mph SSW | 0% |
| Thursday | 68°F | Areas Of Fog then Partly Sunny | 0 to 7 mph WSW | 0% |
| Thursday Night | 57°F | Areas Of Fog | 0 to 6 mph NW | 0% |
| Friday | 70°F | Areas Of Fog then Partly Sunny | 0 to 8 mph NW | 0% |
| Friday Night | 58°F | Patchy Fog | 2 to 7 mph W | 0% |
| Saturday | 70°F | Patchy Fog then Partly Sunny | 2 to 7 mph W | 0% |
| Saturday Night | 59°F | Mostly Cloudy | 6 mph W | 0% |
| Sunday | 67°F | Partly Sunny | 5 to 9 mph W | 0% |
| Sunday Night | 57°F | Mostly Cloudy | 8 mph W | 0% |
| Monday | 65°F | Partly Sunny | 6 to 9 mph WSW | 0% |
| Monday Night | 57°F | Mostly Cloudy | 8 mph SW | 0% |
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 Aug 4, 2026.