Sereno del Mar, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sereno del Mar, a community in Sonoma County, California.
Overnight
51°F
Haze
Haze. Mostly cloudy, with a low around 51. Southeast wind around 2 mph.
7-day forecast for Sereno del Mar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Haze | 2 mph SE | 0% |
| Tuesday | 69°F | Haze then Mostly Sunny | 2 to 8 mph S | 1% |
| Tuesday Night | 51°F | Patchy Fog | 5 mph S | 1% |
| Wednesday | 66°F | Mostly Sunny | 2 to 7 mph S | 1% |
| Wednesday Night | 51°F | Patchy Fog | 1 to 5 mph SW | 0% |
| Thursday | 64°F | Patchy Fog then Mostly Sunny | 1 to 7 mph SW | 0% |
| Thursday Night | 52°F | Partly Cloudy then Patchy Fog | 1 to 7 mph W | 0% |
| Friday | 71°F | Mostly Sunny | 1 to 8 mph W | 0% |
| Friday Night | 54°F | Partly Cloudy | 1 to 8 mph WNW | 0% |
| Saturday | 72°F | Mostly Sunny | 1 to 8 mph WNW | 0% |
| Saturday Night | 57°F | Mostly Clear | 8 mph WNW | 0% |
| Sunday | 72°F | Sunny | 6 to 14 mph WNW | 0% |
| Sunday Night | 54°F | Mostly Clear | 5 to 14 mph WNW | 0% |
| Monday | 66°F | Sunny | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Sereno del Mar (38.384, -123.073). Updated through the day.
Growing snapshot for Sereno del Mar
Last spring frost
Jan 29
First fall frost
Dec 30
Growing season
347 days
Hardiness zone
10a
More local growing data for Sereno del Mar: nearby ZIP 95465 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Occidental, Ca (4.8 mi from Sereno del Mar). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.