Oceanside, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oceanside, a city in San Diego County, California.
Overnight
68°F
Patchy Fog
Patchy fog. Cloudy, with a low around 68. South wind 0 to 5 mph.
7-day forecast for Oceanside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Patchy Fog | 0 to 5 mph S | 0% |
| Tuesday | 80°F | Patchy Fog then Mostly Sunny | 0 to 10 mph S | 0% |
| Tuesday Night | 68°F | Patchy Fog | 0 to 5 mph SW | 0% |
| Wednesday | 79°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 68°F | Patchy Fog | 0 to 5 mph NW | 0% |
| Thursday | 81°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 69°F | Patchy Fog | 0 to 5 mph SW | 0% |
| Friday | 81°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 0% |
| Friday Night | 68°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Saturday | 83°F | Mostly Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 68°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 82°F | Mostly Sunny | 0 to 10 mph S | 1% |
| Sunday Night | 68°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Monday | 81°F | Mostly Sunny | 0 to 10 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for Oceanside (33.225, -117.306). Updated through the day.
Growing snapshot for Oceanside
Last spring frost
Jan 23
First fall frost
Dec 11
Growing season
325 days
Hardiness zone
10a
More local growing data for Oceanside: nearby ZIP 92056 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Oceanside Muni Ap, Ca (3.2 mi from Oceanside). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.