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.
This Afternoon
83°F
Sunny
Sunny. High near 83, with temperatures falling to around 78 in the afternoon. West wind around 7 mph.
7-day forecast for Black Point-Green Point
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Sunny | 7 mph W | 0% |
| Tonight | 53°F | Partly Cloudy | 0 to 6 mph WNW | 0% |
| Sunday | 75°F | Mostly Cloudy | 0 to 5 mph SSW | 0% |
| Sunday Night | 53°F | Mostly Cloudy | 0 to 3 mph WSW | 0% |
| Monday | 76°F | Patchy Fog then Mostly Sunny | 0 to 7 mph SW | 0% |
| Monday Night | 54°F | Partly Cloudy | 0 to 6 mph WSW | 1% |
| Tuesday | 77°F | Patchy Fog then Mostly Sunny | 0 to 5 mph WSW | 0% |
| Tuesday Night | 53°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Wednesday | 88°F | Patchy Fog then Mostly Sunny | 0 to 3 mph SSW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Thursday | 90°F | Sunny | 0 to 3 mph SW | 0% |
| Thursday Night | 57°F | Mostly Clear | 0 to 3 mph WNW | 0% |
| Friday | 83°F | Mostly Sunny | 0 to 6 mph WSW | 0% |
| Friday Night | 55°F | Partly Cloudy | 1 to 6 mph WSW | 1% |
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 Sep 20, 2026.