Bonny Doon, CA Weather & Growing Conditions
Tonight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. North wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 74°F | Mostly Sunny | 1 to 6 mph WNW | 0% |
| Saturday Night | 55°F | Mostly Cloudy | 3 mph NW | 0% |
| Sunday | 70°F | Partly Sunny | 1 to 6 mph NW | 3% |
| Sunday Night | 55°F | Mostly Cloudy | 1 to 5 mph NW | 3% |
| Monday | 68°F | Mostly Sunny | 1 to 5 mph WNW | 1% |
| Monday Night | 54°F | Patchy Fog then Partly Cloudy | 0 to 5 mph NW | 0% |
| Tuesday | 72°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Tuesday Night | 55°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Wednesday | 83°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Thursday | 83°F | Sunny | 0 to 3 mph W | 0% |
| Thursday Night | 59°F | Partly Cloudy | 2 mph NW | 0% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bonny Doon, CA
Last spring frost
Jan 29
First fall frost
Dec 13
Growing season
323 days
Hardiness zone
9b
Explore more for Bonny Doon, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Santa Cruz, Ca (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.