Brentwood Weather in October

The climate in Brentwood during October can be summarized as mild and dry.

October is in the fall / autumn in Brentwood and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 10°C (49°F) is normal.

On average October is the 6th driest month of the year in Brentwood with around 24mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.6 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 Brentwood in October 2025.