Click on a day for an hourly weather forecast
The temperatures in Oceanside in October are comfortable with low of 17°C and and high up to 24°C.
You can expect a few rainy days in Oceanside during October, but usually the weather is comfortable in October.
Our weather forecast can give you a great sense of what weather to expect in Oceanside in October 2025.
If you’re planning to visit Oceanside in the near future, we highly recommend that you review the 14 day weather forecast for Oceanside before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 12° | 2 | 29 | 0 | 37 mm | Good | Oceanside in January |
| February | 18° / 11° | 2 | 27 | 0 | 39 mm | Good | Oceanside in February |
| March | 18° / 12° | 1 | 30 | 0 | 26 mm | Good | Oceanside in March |
| April | 19° / 13° | 1 | 30 | 0 | 13 mm | Good | Oceanside in April |
| May | 20° / 14° | 0 | 31 | 0 | 14 mm | Good | Oceanside in May |
| June | 22° / 16° | 0 | 30 | 0 | 7 mm | Good | Oceanside in June |
| July | 24° / 18° | 1 | 30 | 0 | 26 mm | Perfect | Oceanside in July |
| August | 25° / 19° | 1 | 30 | 0 | 14 mm | Perfect | Oceanside in August |
| September | 26° / 19° | 1 | 29 | 0 | 14 mm | Perfect | Oceanside in September |
| October | 24° / 17° | 1 | 30 | 0 | 12 mm | Perfect | Oceanside in October |
| November | 21° / 15° | 1 | 29 | 0 | 24 mm | Good | Oceanside in November |
| December | 18° / 12° | 2 | 29 | 0 | 39 mm | Good | Oceanside in December |