Measurements:
°C
°F
Dennis Port
84°F
NE 13 mph
Feels like: 86°F
Precip: 4%
World Resorts USA Dennis Port Weather

7 Day Weather Forecast

08.25
tue
DAY
82°F
NE 9 mph
precip
3%
NIGHT
70°F
E 8 mph
precip
8%
08.26
wed
DAY
72°F
S 6 mph
precip
4%
NIGHT
72°F
NE 10 mph
precip
21%
08.27
thu
DAY
80°F
NE 9 mph
precip
15%
NIGHT
74°F
N 9 mph
precip
35%
08.28
fri
DAY
82°F
NW 3 mph
precip
16%
NIGHT
74°F
NE 7 mph
precip
29%
08.29
sat
DAY
70°F
S 10 mph
precip
16%
NIGHT
66°F
N 7 mph
precip
26%
08.30
sun
DAY
80°F
NE 7 mph
precip
4%
NIGHT
72°F
NE 5 mph
precip
77%
08.31
mon
DAY
72°F
S 11 mph
precip
12%
NIGHT
68°F
NW 5 mph
precip
22%

Dennis Port Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Dennis Port was 23.0°F. The maximum and minimum values were 21.3°F and 25.2°F respectively.

Dennis Port on the Weather Map

Best Time to Visit Dennis Port
The most sunny months:
November 15 days
June 14 days
August 13 days
The most warm months:
July 79.1 °F
August 77.4 °F
June 72.0 °F
Warmest sea temperature:
August 75.5 °F
July 74.4 °F
September 71.1 °F
The most cold months:
January 34.7 °F
February 35.0 °F
December 40.7 °F
The most rainy months:
October 3 days
January 2 days
April 2 days
The most windy months:
January 14 mph
December 14 mph
March 14 mph