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

74°F

Mostly Sunny

Mostly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 20 mph.

7-day forecast for Oceanside

When	Temp	Forecast	Wind	Precip
This Afternoon	74°F	Mostly Sunny	10 mph W	0%
Tonight	57°F	Partly Cloudy	5 to 10 mph N	7%
Wednesday	75°F	Sunny	0 to 5 mph SW	2%
Wednesday Night	56°F	Mostly Clear	0 to 5 mph NE	0%
Thursday	78°F	Sunny	0 to 5 mph SW	0%
Thursday Night	58°F	Mostly Clear	0 to 5 mph N	0%
Friday	82°F	Sunny	0 to 5 mph N	0%
Friday Night	60°F	Mostly Clear	5 to 10 mph N	0%
Saturday	86°F	Sunny	0 to 5 mph N	0%
Saturday Night	62°F	Mostly Clear	5 to 10 mph NE	0%
Sunday	87°F	Mostly Sunny	0 to 5 mph N	0%
Sunday Night	64°F	Partly Cloudy	5 mph N	0%
Monday	84°F	Mostly Sunny	0 to 5 mph S	0%
Monday Night	62°F	Partly Cloudy	0 to 5 mph N	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 Nov 4, 2026.