Black Point-Green Point, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Point-Green Point, a community in Marin County, California.
Overnight
46°F
Chance Light Rain
A chance of rain before 2am, then a chance of rain and patchy fog. Partly cloudy, with a low around 46. East southeast wind around 2 mph. Chance of precipitation is 30%.
7-day forecast for Black Point-Green Point
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Chance Light Rain | 2 mph ESE | 25% |
| Wednesday | 67°F | Areas Of Fog then Sunny | 1 to 8 mph WNW | 2% |
| Wednesday Night | 45°F | Mostly Cloudy then Patchy Fog | 2 to 7 mph NW | 2% |
| Thursday | 71°F | Patchy Fog then Mostly Sunny | 2 mph WNW | 0% |
| Thursday Night | 44°F | Mostly Clear then Patchy Fog | 2 mph NW | 0% |
| Friday | 72°F | Patchy Fog then Sunny | 2 mph E | 0% |
| Friday Night | 46°F | Mostly Clear | 0 mph | 0% |
| Saturday | 74°F | Sunny | 0 to 5 mph ENE | 0% |
| Saturday Night | 46°F | Mostly Clear then Patchy Fog | 1 mph NNW | 0% |
| Sunday | 73°F | Areas Of Fog then Mostly Sunny | 2 mph NW | 0% |
| Sunday Night | 47°F | Partly Cloudy then Patchy Fog | 0 mph | 0% |
| Monday | 72°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph NW | 2% |
| Monday Night | 46°F | Partly Cloudy then Patchy Fog | 2 mph NW | 2% |
| Tuesday | 72°F | Areas Of Fog then Sunny | 2 mph NW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Black Point-Green Point (38.111, -122.519). Updated through the day.
Growing snapshot for Black Point-Green Point
Last spring frost
Jan 11
First fall frost
Dec 21
Growing season
349 days
Hardiness zone
9b
More local growing data for Black Point-Green Point: nearby ZIP 94945 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, San Rafael Civic Ctr, Ca (8.6 mi from Black Point-Green Point). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.