Harman US

Oceanside, CA Weather & Growing Conditions

Tonight
64°F
Partly Cloudy
Partly cloudy, with a low around 64. Southeast wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 64°F Partly Cloudy 0 to 5 mph SE 1%
Saturday 77°F Sunny 0 to 10 mph N 1%
Saturday Night 64°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 76°F Mostly Sunny 0 to 10 mph S 0%
Monday Night 64°F Partly Cloudy 0 to 10 mph E 1%
Tuesday 77°F Sunny 5 to 10 mph W 0%
Tuesday Night 65°F Mostly Clear 0 to 10 mph NW 0%
Wednesday 81°F Sunny 0 to 10 mph N 2%
Wednesday Night 67°F Partly Cloudy 0 to 5 mph NW 2%
Thursday 83°F Mostly Sunny 0 to 10 mph S 2%
Thursday Night 69°F Partly Cloudy 0 to 5 mph NW 1%
Friday 84°F Mostly Sunny 0 to 10 mph NW 5%

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 (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.