Atlantic City Weather in October

The climate in Atlantic City during October can be summarized as mild and reasonably dry.

October is in the fall / autumn in Atlantic City and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 10°C (50°F) is normal.

On average October is the 2nd driest month of the year in Atlantic City with around 69mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.2 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 Atlantic City in October 2025.