Harman US

Oceanside, CA Weather & Growing Conditions

Overnight
57°F
Patchy Drizzle
Patchy drizzle. Partly cloudy, with a low around 57. Northeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 57°F Patchy Drizzle 5 mph NE 12%
Wednesday 74°F Patchy Drizzle then Sunny 0 to 5 mph W 8%
Wednesday Night 56°F Partly Cloudy 0 to 5 mph N 0%
Thursday 77°F Mostly Sunny 0 to 5 mph NW 0%
Thursday Night 58°F Partly Cloudy 5 mph N 0%
Friday 82°F Sunny 0 to 10 mph N 0%
Friday Night 61°F Mostly Clear 5 to 10 mph N 0%
Saturday 85°F Sunny 0 to 10 mph N 0%
Saturday Night 63°F Mostly Clear 5 to 10 mph N 0%
Sunday 85°F Sunny 0 to 10 mph NW 0%
Sunday Night 64°F Partly Cloudy 5 mph N 0%
Monday 83°F Mostly Sunny 0 to 5 mph N 0%
Monday Night 62°F Partly Cloudy 0 to 5 mph N 1%
Tuesday 80°F Mostly Sunny 0 to 5 mph S 2%

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 Nov 4, 2026.