Lompoc, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lompoc, a city in Santa Barbara County, California.

This Afternoon

69°F

Slight Chance Rain Showers

A slight chance of rain showers after 4pm. Partly sunny, with a high near 69. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

7-day forecast for Lompoc

When	Temp	Forecast	Wind	Precip
This Afternoon	69°F	Slight Chance Rain Showers	15 mph NW	15%
Tonight	50°F	Slight Chance Rain Showers then Partly Cloudy	0 to 15 mph NNW	15%
Wednesday	72°F	Mostly Sunny	5 to 20 mph NNW	1%
Wednesday Night	52°F	Partly Cloudy	5 to 20 mph N	0%
Thursday	76°F	Mostly Sunny	5 to 20 mph N	0%
Thursday Night	50°F	Mostly Clear	5 to 20 mph N	0%
Friday	79°F	Sunny	5 to 10 mph N	0%
Friday Night	52°F	Mostly Clear	0 to 10 mph NNE	0%
Saturday	81°F	Sunny	0 to 10 mph NNE	0%
Saturday Night	53°F	Mostly Clear	0 to 5 mph N	0%
Sunday	80°F	Sunny	0 to 10 mph N	0%
Sunday Night	54°F	Partly Cloudy	0 to 5 mph N	0%
Monday	78°F	Mostly Sunny	0 to 10 mph NW	0%
Monday Night	53°F	Mostly Cloudy	0 to 10 mph NNW	0%

Forecast source: National Weather Service (api.weather.gov) for Lompoc (34.663, -120.471). Updated through the day.

Growing snapshot for Lompoc

Last spring frost

Jan 20

First fall frost

Dec 19

Growing season

335 days

Hardiness zone

10a

More local growing data for Lompoc: nearby ZIP 93437 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Lompoc, Ca (8.1 mi from Lompoc). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.