Measurements:
°C
°F
Cape May
86°F
N 12 mph
Feels like: 96°F
Precip: 14%
World Resorts USA Cape May Weather

Cape May Sea Water Temperature

Current Sea Water Temperature:
+74.4°F
Maximum Sea Water Temperature in August: 82.4°F
Minimum Sea Water Temperature in August: 72.0°F
Average water temperature in August: 77.3°F

Sea Water Temperature for the Last 10 Days:

August 05 74.4°F July 31 76.4°F
August 04 77.6°F July 30 76.6°F
August 03 77.8°F July 29 77.0°F
August 02 77.2°F July 28 76.6°F
August 01 77.0°F July 27 76.2°F

When is the Warmest Sea for Cape May?

According to our data for the last three years for Cape May the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Cape May was 77.0°F. The maximum and minimum values were 73.2°F and 80.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Cape May was 78.5°F. The maximum and minimum values were 75.6°F and 82.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cape May was 74.7°F. The maximum and minimum values were 73.0°F and 76.8°F respectively.

Best Time to Visit Cape May
The most sunny months:
November 17 days
October 16 days
June 16 days
The most warm months:
July 86.1 °F
August 82.5 °F
June 79.8 °F
Warmest sea temperature:
July 77.6 °F
August 77.3 °F
September 75.6 °F
The most cold months:
January 38.7 °F
February 41.1 °F
December 44.1 °F
The most rainy months:
July 3 days
April 2 days
March 2 days
The most windy months:
January 12 mph
March 12 mph
December 12 mph

Cape May on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Cape May
Local time: 15:16
05 aug, wednesday
1800 86°F
N
15 mph
2100 80°F
N
14 mph
06 aug, thursday
0000 78°F
N
12 mph
0300 80°F
NE
11 mph
0600 78°F
NE
9 mph
0900 80°F
NE
11 mph
1200 84°F
N
10 mph
1500 86°F
N
11 mph