Harman US

Bonsall, CA Weather & Growing Conditions

Overnight
61°F
Partly Cloudy
Partly cloudy, with a low around 61. Southeast wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 61°F Partly Cloudy 0 mph 0%
Saturday 81°F Sunny 0 to 10 mph NW 0%
Saturday Night 60°F Partly Cloudy 0 to 10 mph SE 0%
Sunday 80°F Mostly Sunny 0 to 10 mph S 3%
Sunday Night 62°F Mostly Cloudy 0 to 10 mph N 3%
Monday 78°F Mostly Sunny 0 to 10 mph S 1%
Monday Night 61°F Partly Cloudy 0 to 10 mph SE 0%
Tuesday 79°F Sunny 0 to 10 mph W 0%
Tuesday Night 61°F Mostly Clear 0 to 10 mph NW 0%
Wednesday 85°F Sunny 0 to 10 mph NW 0%
Wednesday Night 63°F Mostly Clear 0 to 10 mph N 0%
Thursday 86°F Sunny 0 to 10 mph N 3%
Thursday Night 64°F Mostly Clear 0 to 10 mph NW 4%
Friday 88°F Sunny 0 to 10 mph N 4%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Bonsall, CA

Last spring frost
Jan 30
First fall frost
Jan 7
Growing season
365 days
Hardiness zone
10a

Explore more for Bonsall, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Vista, Ca (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.