Pleasanton Weather in October

The climate in Pleasanton during October can be summarized as warm and reasonably dry.

October is in the fall / autumn in Pleasanton and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 15°C (60°F) is normal.

On average October is the 4th wettest month of the year in Pleasanton with around 70mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.4 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Pleasanton in October 2025.