Ben Lomond, CA Weather & Growing Conditions
Today
82°F
Areas Of Fog then Sunny
Areas of fog before 9am. Sunny. High near 82, with temperatures falling to around 80 in the afternoon. South southeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Areas Of Fog then Sunny | 1 to 5 mph SSE | 0% |
| Tonight | 54°F | Mostly Cloudy | 3 mph N | 0% |
| Sunday | 77°F | Patchy Fog then Mostly Cloudy | 1 to 5 mph WNW | 1% |
| Sunday Night | 53°F | Mostly Cloudy then Patchy Fog | 0 to 3 mph NW | 1% |
| Monday | 76°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph WNW | 0% |
| Monday Night | 53°F | Partly Cloudy then Patchy Fog | 0 to 3 mph NW | 0% |
| Tuesday | 78°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph W | 0% |
| Tuesday Night | 53°F | Mostly Clear | 2 mph NW | 0% |
| Wednesday | 91°F | Sunny | 2 mph W | 0% |
| Wednesday Night | 59°F | Mostly Clear | 2 mph NW | 0% |
| Thursday | 91°F | Sunny | 2 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 2 mph NW | 0% |
| Friday | 85°F | Mostly Sunny | 2 mph W | 1% |
| Friday Night | 54°F | Partly Cloudy | 2 mph WNW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ben Lomond, CA
Last spring frost
Mar 25
First fall frost
Nov 11
Growing season
231 days
Hardiness zone
9b
Explore more for Ben Lomond, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Ben Lomond #4, Ca (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.