World Resorts USA Dennis Port Weather

Dennis Port 14 Days Forecast

19.09
sat
Day
59°F
SW 14 mph
Precip.
3%
Night
54°F
NW 7 mph
Precip.
6%
20.09
sun
Day
63°F
NW 10 mph
Precip.
13%
Night
59°F
NW 10 mph
Precip.
66%
21.09
mon
Day
61°F
SW 19 mph
Precip.
50%
Night
63°F
SW 19 mph
Precip.
16%
22.09
tue
Day
59°F
SW 19 mph
Precip.
19%
Night
57°F
W 17 mph
Precip.
15%
23.09
wed
Day
61°F
W 22 mph
Precip.
17%
Night
61°F
SW 22 mph
Precip.
21%
24.09
thu
Day
59°F
SW 25 mph
Precip.
68%
Night
59°F
SW 25 mph
Precip.
71%
25.09
fri
Day
57°F
S 21 mph
Precip.
30%
Night
61°F
S 11 mph
Precip.
11%
26.09
sat
Day
63°F
SW 15 mph
Precip.
4%
Night
59°F
W 12 mph
Precip.
7%
27.09
sun
Day
63°F
SW 16 mph
Precip.
6%
Night
59°F
W 13 mph
Precip.
12%
28.09
mon
Day
63°F
SW 19 mph
Precip.
10%
Night
61°F
SW 17 mph
Precip.
25%
29.09
tue
Day
63°F
SW 18 mph
Precip.
22%
Night
61°F
SW 14 mph
Precip.
15%
30.09
wed
Day
63°F
SW 17 mph
Precip.
9%
Night
59°F
SW 17 mph
Precip.
25%
01.10
thu
Day
59°F
SW 19 mph
Precip.
23%
Night
59°F
SW 15 mph
Precip.
22%
02.10
fri
Day
61°F
SW 14 mph
Precip.
17%
Night
57°F
SW 11 mph
Precip.
14%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 70.6°F. The highest and lowest sea temperatures during the month were 73.4°F and 69.1°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 60.7°F. The highest and lowest sea temperatures during the month were 67.8°F and 55.4°F.

Air temperature in Dennis Port, °F

Precipitation total in Dennis Port, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Dennis Port

Sunniest months:
November 15 days
June 14 days
August 13 days
Warmest months:
July 76.2 °F
August 75.5 °F
June 69.8 °F
Warmest sea temp:
August 73.0 °F
July 71.9 °F
September 69.0 °F
Coldest months:
January 36.2 °F
February 36.5 °F
December 41.6 °F
Rainiest months:
October 3 days
January 2 days
April 2 days
Windiest months:
January 14.2 mph
December 14.1 mph
March 14.0 mph

Dennis Port on a weather map

Current weather
06:12
Dennis Port
+59°F
SW 16 mph
Feels like: +55°F
Precip.: 9%
Places in USA:
Name
°F
Boston
+55°F
Washington
+64°F
Hawaii
+79°F
Las Vegas
+77°F
Los Angeles
+70°F
Miami
+81°F
Maui
+63°F
New York
+63°F
Panama City Beach
+77°F
San Diego
+68°F
San Francisco
+59°F
Santa Monica
+68°F
Sarasota
+73°F
Houston
+79°F
Chicago
+63°F
all places
24 Hours Forecast
Dennis Port
Local time: 06:12
September 19, saturday
0900
59°F
SW
15 mph
1200
59°F
SW
14 mph
1500
59°F
SW
11 mph
1800
57°F
SW
7 mph
2100
54°F
W
6 mph
September 20, sunday
0000
54°F
NW
7 mph
0300
54°F
NW
6 mph
0600
54°F
NW
6 mph
Units of measurement: °C / °F