Oceanside, CA Weather & Growing Conditions
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. Northwest wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 0 to 10 mph NW | 1% |
| Saturday | 77°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Saturday Night | 60°F | Mostly Cloudy | 0 to 5 mph SE | 1% |
| Sunday | 76°F | Partly Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 0 to 5 mph S | 2% |
| Monday | 75°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Monday Night | 59°F | Partly Cloudy | 0 to 10 mph S | 1% |
| Tuesday | 76°F | Sunny | 0 to 10 mph NW | 0% |
| Tuesday Night | 61°F | Mostly Clear | 0 to 10 mph NW | 0% |
| Wednesday | 82°F | Sunny | 0 to 10 mph W | 3% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 10 mph NW | 3% |
| Thursday | 83°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Thursday Night | 66°F | Partly Cloudy | 0 to 5 mph NW | 1% |
| Friday | 85°F | Mostly Sunny | 0 to 10 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oceanside, CA
Last spring frost
Feb 16
First fall frost
Dec 8
Growing season
298 days
Hardiness zone
10a
Explore more for Oceanside, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Camp Pendleton Mcas, Ca (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.