Oceanside, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Oceanside, a city in San Diego County, California.

This Afternoon

75°F

Sunny

Sunny, with a high near 75. West wind around 10 mph, with gusts as high as 20 mph.

7-day forecast for Oceanside

When	Temp	Forecast	Wind	Precip
This Afternoon	75°F	Sunny	10 mph W	0%
Tonight	63°F	Partly Cloudy	0 to 10 mph SE	1%
Saturday	77°F	Sunny	0 to 10 mph NW	1%
Saturday Night	63°F	Mostly Cloudy	0 to 5 mph SE	1%
Sunday	76°F	Partly Sunny	0 to 10 mph S	0%
Sunday Night	65°F	Mostly Cloudy	0 to 5 mph S	2%
Monday	75°F	Mostly Sunny	0 to 10 mph SW	0%
Monday Night	63°F	Partly Cloudy	0 to 10 mph E	1%
Tuesday	76°F	Sunny	0 to 10 mph W	0%
Tuesday Night	64°F	Mostly Clear	0 to 10 mph NW	0%
Wednesday	82°F	Sunny	0 to 10 mph NW	2%
Wednesday Night	66°F	Partly Cloudy	0 to 5 mph NW	2%
Thursday	83°F	Mostly Sunny	0 to 10 mph N	2%
Thursday Night	68°F	Partly Cloudy	0 to 5 mph NW	1%

Forecast source: National Weather Service (api.weather.gov) for Oceanside (33.225, -117.306). Updated through the day.

Growing snapshot for Oceanside

Last spring frost

Jan 23

First fall frost

Dec 11

Growing season

325 days

Hardiness zone

10a

More local growing data for Oceanside: nearby ZIP 92056 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Oceanside Muni Ap, Ca (3.2 mi from Oceanside). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.