Harman US

Oceanside, CA Weather & Growing Conditions

Overnight
62°F
Partly Cloudy
Partly cloudy, with a low around 62. Northeast wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 62°F Partly Cloudy 0 to 5 mph NE 0%
Saturday 77°F Mostly Sunny 0 to 10 mph NW 1%
Saturday Night 64°F Mostly Cloudy 0 to 5 mph SE 1%
Sunday 76°F Partly Sunny 0 to 10 mph SW 3%
Sunday Night 65°F Mostly Cloudy 0 to 5 mph S 3%
Monday 75°F Partly Sunny 5 to 10 mph S 1%
Monday Night 64°F Mostly Cloudy 0 to 5 mph NW 1%
Tuesday 75°F Mostly Sunny 5 to 10 mph W 0%
Tuesday Night 65°F Partly Cloudy 0 to 10 mph NW 0%
Wednesday 78°F Mostly Sunny 0 to 10 mph N 0%
Wednesday Night 66°F Partly Cloudy 0 to 5 mph NW 0%
Thursday 80°F Mostly Sunny 0 to 10 mph W 1%
Thursday Night 67°F Partly Cloudy 0 to 5 mph NW 3%
Friday 81°F Mostly Sunny 0 to 10 mph W 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Oceanside, CA

Last spring frost
Jan 23
First fall frost
Dec 11
Growing season
325 days
Hardiness zone
10a

Explore more for Oceanside, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Oceanside Muni Ap, Ca (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.