Ben Lomond, CA Weather & Growing Conditions
This Afternoon
62°F
Chance Light Rain
A chance of rain. Partly sunny. High near 62, with temperatures falling to around 60 in the afternoon. South southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Light Rain | 2 mph SSW | 41% |
| Tonight | 47°F | Chance Light Rain then Patchy Fog | 2 mph ENE | 41% |
| Wednesday | 69°F | Patchy Fog then Sunny | 2 to 7 mph N | 1% |
| Wednesday Night | 46°F | Mostly Cloudy then Patchy Fog | 2 to 7 mph N | 0% |
| Thursday | 73°F | Patchy Fog then Sunny | 3 mph NNW | 0% |
| Thursday Night | 46°F | Clear | 1 to 5 mph N | 0% |
| Friday | 76°F | Sunny | 2 mph N | 0% |
| Friday Night | 48°F | Clear | 2 mph N | 0% |
| Saturday | 81°F | Sunny | 0 mph | 0% |
| Saturday Night | 47°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 79°F | Sunny | 2 mph N | 0% |
| Sunday Night | 48°F | Partly Cloudy | 2 mph N | 0% |
| Monday | 76°F | Mostly Sunny | 0 to 3 mph NNW | 1% |
| Monday Night | 48°F | Partly Cloudy | 3 mph NNW | 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 Nov 4, 2026.