Oceanside, CA Weather & Growing Conditions
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 10 mph W | 0% |
| Tonight | 55°F | Partly Cloudy | 5 to 10 mph N | 4% |
| Wednesday | 75°F | Sunny | 0 to 10 mph W | 2% |
| Wednesday Night | 54°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Thursday | 78°F | Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 56°F | Mostly Clear | 0 to 5 mph N | 0% |
| Friday | 83°F | Sunny | 0 to 10 mph N | 0% |
| Friday Night | 59°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 86°F | Sunny | 0 to 10 mph N | 0% |
| Saturday Night | 61°F | Mostly Clear | 5 to 15 mph N | 0% |
| Sunday | 88°F | Mostly Sunny | 0 to 10 mph N | 0% |
| Sunday Night | 62°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Monday | 84°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Monday Night | 60°F | Partly Cloudy | 0 to 5 mph NE | 1% |
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 Nov 4, 2026.