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
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University of California-Santa Barbara
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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.