Oceanside, CA Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Southwest wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Tonight | 68°F | Mostly Cloudy | 0 to 5 mph SW | 1% |
| Wednesday | 82°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Thursday | 84°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 69°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Friday | 85°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Friday Night | 69°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Saturday | 85°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 69°F | Partly Cloudy | 0 to 10 mph S | 0% |
| Sunday | 84°F | Mostly Sunny | 0 to 10 mph S | 1% |
| Sunday Night | 68°F | Partly Cloudy | 0 to 5 mph S | 2% |
| Monday | 83°F | Mostly Sunny | 0 to 10 mph S | 5% |
| Monday Night | 67°F | Partly Cloudy | 0 to 10 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oceanside, CA
Last spring frost
Jan 30
First fall frost
Jan 7
Growing season
365 days
Hardiness zone
10a
Explore more for Oceanside, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Vista, Ca (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.