Measurements:
°C
°F
Dennis Port
58°F
S 14 mph
Feels like: 56°F
Precip: 20%
World Resorts USA Dennis Port Weather

7 Day Weather Forecast

10.27
tue
DAY
50°F
SW 13 mph
precip
3%
NIGHT
44°F
N 2 mph
precip
5%
10.28
wed
DAY
54°F
NE 5 mph
precip
3%
NIGHT
50°F
NE 8 mph
precip
22%
10.29
thu
DAY
62°F
NE 15 mph
precip
3%
NIGHT
60°F
NE 16 mph
precip
12%
10.30
fri
DAY
62°F
E 9 mph
precip
8%
NIGHT
56°F
S 14 mph
precip
6%
10.31
sat
DAY
54°F
NE 9 mph
precip
8%
NIGHT
50°F
N 4 mph
precip
18%
11.01
sun
DAY
56°F
N 5 mph
precip
12%
NIGHT
54°F
NE 4 mph
precip
16%
11.02
mon
DAY
60°F
N 6 mph
precip
44%
NIGHT
58°F
W 2 mph
precip
65%

Dennis Port Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Dennis Port was 15.5°F. The maximum and minimum values were 12.8°F and 17.6°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 78.3 °F
June 72.0 °F
Warmest sea temperature:
August 75.5 °F
July 74.4 °F
September 70.9 °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