Weather in San Diego in October
How warm is it in San Diego in October?
In October the typical daytime high in San Diego is 27.4 °C on average, from 28.7 °C at the start to 26.0 °C at the end of the month.
That is 2.2 °C cooler than in September and 3.2 °C warmer than in November.
The last 10 years were 3.7 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Presa Rodriguez, 40 km away.