Oceanside, CA Weather & Growing Conditions
Today
80°F
Patchy Fog then Mostly Sunny
Patchy fog before 11am. Mostly sunny, with a high near 80. South wind 0 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Patchy Fog then Mostly Sunny | 0 to 10 mph S | 0% |
| Tonight | 66°F | Patchy Fog | 0 to 10 mph SW | 0% |
| Wednesday | 79°F | Patchy Fog then Partly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 66°F | Patchy Fog | 0 to 10 mph NW | 0% |
| Thursday | 81°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 67°F | Patchy Fog | 0 to 5 mph SW | 0% |
| Friday | 83°F | Patchy Fog then Mostly Sunny | 0 to 10 mph S | 0% |
| Friday Night | 67°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Saturday | 83°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 67°F | Partly Cloudy | 0 to 10 mph S | 0% |
| Sunday | 82°F | Mostly Sunny | 0 to 10 mph S | 1% |
| Sunday Night | 67°F | Partly Cloudy | 0 to 10 mph S | 1% |
| Monday | 81°F | Mostly Sunny | 0 to 10 mph S | 5% |
| Monday Night | 66°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
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 Aug 4, 2026.