Oceanside, CA Weather & Growing Conditions
Today
79°F
Mostly Sunny
Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Tonight | 69°F | Mostly Cloudy | 0 to 5 mph SW | 0% |
| Wednesday | 78°F | Partly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 69°F | Mostly Cloudy | 0 to 5 mph W | 0% |
| Thursday | 80°F | Partly Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 70°F | Mostly Cloudy | 0 to 5 mph SW | 0% |
| Friday | 78°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Friday Night | 70°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Saturday | 80°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Saturday Night | 70°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 79°F | Mostly Sunny | 0 to 10 mph S | 1% |
| Sunday Night | 69°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Monday | 78°F | Mostly Sunny | 0 to 10 mph S | 5% |
| Monday Night | 69°F | Partly Cloudy | 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 Aug 4, 2026.