The temperatures in San Diego in October are comfortable with low of 18°C and and high up to 25°C.
You can expect a few rainy days in San Diego 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 San Diego in October 2025.
If you’re planning to visit San Diego in the near future, we highly recommend that you review the 14 day weather forecast for San Diego before you arrive.
Temperatures
25° / 18°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
10
mm
Sun Hours
11.6
Hrs
