Lompoc, CA Weather & Growing Conditions

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

Tonight

54°F

Patchy Fog

Patchy fog after 11pm. Mostly cloudy, with a low around 54. Northwest wind 5 to 10 mph.

7-day forecast for Lompoc

When	Temp	Forecast	Wind	Precip
Tonight	54°F	Patchy Fog	5 to 10 mph NW	1%
Saturday	78°F	Patchy Fog	5 to 15 mph WNW	1%
Saturday Night	55°F	Patchy Fog	5 to 10 mph NW	0%
Sunday	77°F	Patchy Fog then Mostly Cloudy	5 to 15 mph NW	1%
Sunday Night	55°F	Patchy Fog	5 to 10 mph NW	1%
Monday	73°F	Patchy Fog then Mostly Sunny	5 to 15 mph NW	1%
Monday Night	56°F	Mostly Cloudy	5 to 15 mph NW	1%
Tuesday	74°F	Mostly Sunny	5 to 15 mph NW	0%
Tuesday Night	56°F	Partly Cloudy	0 to 10 mph NNW	0%
Wednesday	84°F	Mostly Sunny	0 to 10 mph NNW	0%
Wednesday Night	60°F	Partly Cloudy	0 to 10 mph N	0%
Thursday	85°F	Mostly Sunny	0 to 10 mph SSW	1%
Thursday Night	60°F	Mostly Cloudy	0 to 10 mph N	1%
Friday	82°F	Mostly Sunny	0 to 10 mph WNW	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

Nearby towns & communities

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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 Sep 19, 2026.