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.
This Afternoon
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 64 in the afternoon. West northwest wind around 12 mph, with gusts as high as 20 mph.
7-day forecast for Sereno del Mar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Sunny | 12 mph WNW | 0% |
| Tonight | 54°F | Mostly Cloudy | 5 to 12 mph WNW | 0% |
| Sunday | 65°F | Partly Sunny | 3 to 9 mph WNW | 0% |
| Sunday Night | 54°F | Mostly Cloudy then Patchy Fog | 2 to 8 mph NW | 0% |
| Monday | 63°F | Patchy Fog then Mostly Sunny | 2 to 7 mph WNW | 0% |
| Monday Night | 53°F | Patchy Fog | 1 to 7 mph WNW | 0% |
| Tuesday | 65°F | Patchy Fog then Mostly Sunny | 1 to 9 mph WNW | 0% |
| Tuesday Night | 53°F | Mostly Clear then Patchy Fog | 2 to 9 mph NW | 0% |
| Wednesday | 72°F | Patchy Fog then Mostly Sunny | 1 to 9 mph NW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 2 to 9 mph NW | 0% |
| Thursday | 74°F | Mostly Sunny | 2 to 9 mph NW | 0% |
| Thursday Night | 58°F | Partly Cloudy | 3 to 9 mph NW | 1% |
| Friday | 70°F | Mostly Sunny | 3 to 12 mph WNW | 1% |
| Friday Night | 56°F | Partly Cloudy | 3 to 12 mph WNW | 2% |
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 Sep 20, 2026.