Atlantic City, NJ Weather
Atlantic City hourly forecast: next 24 hours
Today's high of 73°F (23°C) is about 3°F (2°C) below the typical September high of 76°F (24°C).
Current conditions in detail
Atlantic City weather tomorrow (Wednesday, September 16)
Tomorrow in Atlantic City looks sunny, with a high of 78° and an overnight low of 58°. Rain is unlikely (8% chance). Winds top out near 9 mph, and the UV index reaches 7 (high).
Atlantic City 14-day forecast
About the weather in Atlantic City
A 22°C spread between its warmest and coolest months puts Atlantic City among the more strongly seasonal places we cover. July averages 83°F (28°C) by day; January averages 43°F (6°C), with nights at 30°F (-1°C).
Atlantic City weather: quick facts
- Hottest month: July - highs near 83°F (28°C)
- Coldest month: January - highs near 43°F (6°C)
- Decade extremes (2015-2024): 97°F (36°C) high · 0°F (-18°C) low
- Wettest month: December (10 rainy days) · Sunniest: July (12.1 h sun/day)
- Climate type: humid subtropical
- Annual swing: 22°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 7 days a year
- Months with freezing average lows: 1
- Average humidity: 72%
Temperatures through the year
Average lows drop to freezing in one month of the year, January. January bottoms out at 43°F (6°C) in daylight, 30°F (-1°C) after dark. At its warmest, in July, Atlantic City runs to 83°F (28°C) in the afternoon and back to 72°F (22°C) by dawn. The gridded 2015-2024 daily record for this location tops out at 97°F (36°C) and bottoms at 0°F (-18°C) - decade extremes, not all-time station records. Snow falls on roughly 7 days a year, mostly December through March.
Rain, sun and snow
Days and nights are about 7°C apart on average - narrower than about 85% of the cities we track. Sunshine averages 9.0 hours a day over the year, peaking in July at 12.1 hours. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through June.
Season by season
Spring (March through May)
Spring in Atlantic City stays on the cool side of mild, with daytime highs averaging 59°F (15°C) and nights around 46°F (8°C); rain falls on around 32 of the 90 days.
Summer (June through August)
Summer in Atlantic City is pleasantly warm, with daytime highs averaging 80°F (27°C) and nights around 69°F (21°C); rain falls on around 35 of the 90 days. Daylight is generous - around 11.6 hours of sun a day.
Fall (September through November)
Fall stays on the cool side of mild here - highs near 66°F (19°C), nights near 55°F (13°C), and expect showers on roughly 26 days across the season.
Winter (December through February)
Winter in Atlantic City is brisk and cold, with daytime highs averaging 45°F (7°C) and nights around 33°F (1°C); rain falls on around 32 of the 90 days, plus about 5 snowy days.
Average temperatures in Atlantic City by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 43° | 30° | 10 | 4.2 in | 6.4 h/day | 68% |
| February | 45° | 32° | 11 | 3.7 in | 7.0 h/day | 69% |
| March | 51° | 37° | 11 | 4.6 in | 8.3 h/day | 67% |
| April | 59° | 46° | 10 | 3.8 in | 9.4 h/day | 69% |
| May | 67° | 55° | 11 | 4.3 in | 10.2 h/day | 76% |
| June | 77° | 65° | 11 | 3.3 in | 11.7 h/day | 75% |
| July | 83° | 72° | 12 | 4.1 in | 12.1 h/day | 78% |
| August | 82° | 71° | 12 | 3.6 in | 11.1 h/day | 77% |
| September | 76° | 66° | 10 | 4.0 in | 9.5 h/day | 76% |
| October | 67° | 55° | 9 | 4.9 in | 8.3 h/day | 73% |
| November | 56° | 43° | 7 | 3.0 in | 7.6 h/day | 68% |
| December | 48° | 36° | 10 | 5.0 in | 6.0 h/day | 72% |