Atlantic City weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Poor
Best time to visit: July – September
What is the weather like in Atlantic City in October?
In October, Atlantic City is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 18.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 98 mm. All in all, October is not an ideal month for a holiday in Atlantic City.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 71 | 28 | 22 |
| Day | 24° | 18° | 13° |
| Night | 19° | 13° | 7° |
| Sea | 22° | 18° | 14° |
| Sun | 6 h | 6 h | 5 h |
| Rain days | 9 | 8 | 8 |
More details for October
- Daylight
- 11 h 14 min07:06 – 18:20
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 50 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %20 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 20 %72 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
Atlantic City in October: quick answers
Is Atlantic City hot in October?
No. In October, Atlantic City is mild: daytime highs average 18 °C and nights drop to about 13 °C.
Can you swim in Atlantic City in October?
Only if you don't mind cold water: in October the sea averages just 18.4 °C. Comfortable swimming is possible from July to September.
Does it rain much in Atlantic City in October?
Rain falls on about 8 days, adding up to 98 mm.
Atlantic City month by month
The whole year in Atlantic CityAll destinations: USAWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences