Belvedere, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belvedere, a city in Marin County, California.
Today
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 76 in the afternoon. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
7-day forecast for Belvedere
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Sunny | 5 to 10 mph SW | 1% |
| Tonight | 56°F | Partly Cloudy | 2 to 6 mph SW | 2% |
| Wednesday | 78°F | Mostly Sunny | 3 to 8 mph SW | 2% |
| Wednesday Night | 56°F | Partly Cloudy then Patchy Fog | 1 to 6 mph SW | 0% |
| Thursday | 80°F | Mostly Sunny | 1 to 8 mph WSW | 0% |
| Thursday Night | 56°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Friday | 86°F | Sunny | 2 to 10 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Saturday | 75°F | Sunny | 3 to 10 mph SW | 0% |
| Saturday Night | 59°F | Mostly Clear | 7 to 10 mph SW | 0% |
| Sunday | 73°F | Sunny | 7 to 14 mph SW | 0% |
| Sunday Night | 57°F | Mostly Clear | 10 to 14 mph SW | 0% |
| Monday | 68°F | Sunny | 10 to 15 mph SW | 0% |
| Monday Night | 56°F | Partly Cloudy | 9 to 13 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Belvedere (37.874, -122.471). Updated through the day.
Growing snapshot for Belvedere
Last spring frost
Jan 4
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a
More local growing data for Belvedere: nearby ZIP 94920 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Richmond, Ca (5.2 mi from Belvedere). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.