Atlantic City Marina, NJ

New Jersey · Records since 1873–2026

🌙 72°F Feels like 75°
Currently in Atlantic City Marina
As of 4:45 AM EDT

Records for August 11

🔥 Record High

98°F

August 11, 1900

+18° from 80° normal

❄ Record Low

55°F

August 11, 1879

-16° from 71° normal
🌞 Normal high: 80°F 🌑 Normal low: 71°F 1991–2020 normals

All-Time Records — Atlantic City Marina

🔥
104°F
Hottest Day Ever
Aug 7, 1918
-9°F
Coldest Day Ever
Feb 9, 1934
🌧
8.97"
Wettest Day Ever
Aug 18, 1879
18.0"
Most Snow in One Day
Feb 17, 1902

Top 10 Record Highs — August 11

# Temp Date
🏆 98°F August 11, 1900
2 96°F August 11, 1949
3 91°F August 11, 2005
4 91°F August 11, 1944
5 90°F August 11, 2009
6 90°F August 11, 1938
7 90°F August 11, 1896
8 89°F August 11, 1998
9 89°F August 11, 1977
10 88°F August 11, 1911

Top 5 Record Lows — August 11

# Temp Date
🥶 55°F August 11, 1879
2 57°F August 11, 1974
3 57°F August 11, 1972
4 57°F August 11, 1894
5 58°F August 11, 1890
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1873–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Atlantic City Marina

threshold: 86°F (90th percentile of historical Jun–Aug highs)
3.7
Avg heat wave length
days (historical)
93°
Avg peak temp
during heat waves
40
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

91 of 217 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1874–2026
7
2026 so far
5
Avg/year 1970–2025
3
Avg/year (last 10 complete)
14
Most in a year (1983)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Atlantic City Marina

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 13, 1983 – Jul 21, 1983 9 100°F (Jul 16) 93°F 71°F
2 Jul 3, 1999 – Jul 10, 1999 8 101°F (Jul 5) 94°F 76°F
3 Jul 8, 1993 – Jul 15, 1993 8 99°F (Jul 10) 91°F 77°F
4 Jul 29, 2006 – Aug 5, 2006 8 97°F (Aug 1) 92°F 77°F
5 Jul 7, 1981 – Jul 14, 1981 8 94°F (Jul 9) 91°F 73°F
6 Jul 12, 1997 – Jul 19, 1997 8 94°F (Jul 18) 90°F 72°F
7 Aug 28, 1973 – Sep 3, 1973 7 96°F (Aug 28) 90°F 74°F
8 Aug 25, 1948 – Aug 30, 1948 6 97°F (Aug 26) 92°F 75°F
9 Jul 19, 1952 – Jul 24, 1952 6 94°F (Jul 21) 91°F 75°F
10 Jul 15, 2013 – Jul 20, 2013 6 93°F (Jul 15) 89°F 77°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

42
2026 so far
above-normal nights
36.0
Avg / summer
1970–2020
67
Most in a summer
2011

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

17.50"
2026 YTD
Normal: 25.56"
-8.06"
1.15"
August so far
August normal: 4.13"
-2.98"
3.95"
Summer so far
Summer normal: 11.11"
-7.16"
4
2026 heavy rain days
Days with ≥ 1.0"

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1970–2026)

Blue = above average · tan = below average · gold = 2026 (partial)

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")

Month in Review — July 2026

76.2°F

Average temperature · July 2026

44th-warmest month on record

28th-warmest July of 151 on record

+0.2° vs. 75.9° average (1991–2020)
78.8°F
Warmest month ever
July 2012
78.8°F
Warmest July ever
2012
4
Days ≥ 90°F
in July
99°F
Hottest of 2026
Jul 3

Longest 90°F Streak in July

2 consecutive days with highs of at least 90°F (Jul 3–4, 2026, peaking at 99°F)

Ties the longest July streak since 2020 (6 years). The July record is 7 days, set in 1999.


Average July Temperature by Year

1874–2026 · 2026 highlighted


Warmest Julys on Record

# Year Avg Temp
1 2012 78.8°F
2 1999 78.6°F
3 2010 78.4°F
4 2020 78.3°F
5 2025 78.2°F
6 1993 78.1°F
7 2011 78.0°F
8 1949 77.5°F
9 1952 77.5°F
10 1981 77.5°F

Warmest Months on Record (Any Month)

# Month Avg Temp
1 July 2012 78.8°F
2 July 1999 78.6°F
3 August 2018 78.5°F
4 July 2010 78.4°F
5 July 2020 78.3°F
6 July 2025 78.2°F
7 July 1993 78.1°F
8 August 2005 78.1°F
9 July 2011 78.0°F
10 August 2016 77.8°F

Nearby Stations — July 2026

How the same month ranked at the closest reporting stations

Station Avg Temp July Rank
Atlantic City Marina, NJ 76.2°F 28th of 151
Atlantic City, NJ 78.0°F 16th of 83
Philadelphia, PA 80.3°F 18th of 153
Philadelphia Center City, PA 81.1°F 17th of 85
Trenton, NJ 76.4°F 54th of 132
About this data. Monthly averages are the mean of daily average temperatures, computed from NOAA Threadex records via RCC ACIS. Months missing more than three days of observations are excluded from the rankings, so the in-progress month never appears. Rankings cover 1815 complete months on record.