Measurements:
°C
°F
Kennebunkport
50°F
S 8 mph
Feels like: 46°F
Precip: 20%
World Resorts USA Kennebunkport Weather

Kennebunkport Sea Water Temperature

Current Sea Water Temperature:
+54.0°F
Maximum Sea Water Temperature in October: 63.4°F
Minimum Sea Water Temperature in October: 52.6°F
Average water temperature in October: 57.6°F

Sea Water Temperature for the Last 10 Days:

October 26 54.0°F October 21 55.2°F
October 25 54.2°F October 20 55.2°F
October 24 54.4°F October 19 55.2°F
October 23 54.6°F October 18 55.2°F
October 22 54.6°F October 17 56.0°F

When is the Warmest Sea for Kennebunkport?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Kennebunkport was 67.5°F. The maximum and minimum values were 63.4°F and 71.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Kennebunkport was 64.1°F. The maximum and minimum values were 58.8°F and 68.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Kennebunkport was 63.1°F. The maximum and minimum values were 57.6°F and 66.6°F respectively.

Best Time to Visit Kennebunkport
The most sunny months:
November 15 days
August 13 days
July 13 days
The most warm months:
July 81.0 °F
August 79.4 °F
June 74.2 °F
Warmest sea temperature:
August 67.5 °F
July 64.7 °F
September 63.8 °F
The most cold months:
January 29.4 °F
February 30.3 °F
December 34.9 °F
The most rainy months:
July 3 days
April 3 days
August 2 days
The most windy months:
March 9 mph
November 8 mph
December 8 mph

Kennebunkport on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Kennebunkport
Local time: 00:43
27 oct, tuesday
0300 46°F
S
8 mph
0600 40°F
S
7 mph
0900 42°F
S
6 mph
1200 52°F
E
2 mph
1500 54°F
E
4 mph
1800 40°F
N
5 mph
2100 36°F
S
2 mph
28 oct, wednesday
0000 36°F
SW
6 mph