World Resorts USA Dennis Port Weather

Dennis Port 7 Days Forecast

21.07
tue
Day
79°F
NW 16 mph
Precip.
6%
Night
72°F
NE 30 mph
Precip.
81%
22.07
wed
Day
75°F
NE 19 mph
Precip.
32%
Night
72°F
NE 12 mph
Precip.
60%
23.07
thu
Day
72°F
SE 7 mph
Precip.
3%
Night
68°F
SW 7 mph
Precip.
5%
24.07
fri
Day
73°F
NW 4 mph
Precip.
2%
Night
66°F
NW 6 mph
Precip.
8%
25.07
sat
Day
70°F
W 12 mph
Precip.
3%
Night
68°F
N 6 mph
Precip.
4%
26.07
sun
Day
73°F
NW 7 mph
Precip.
2%
Night
66°F
NE 6 mph
Precip.
5%
27.07
mon
Day
77°F
NE 17 mph
Precip.
5%
Night
72°F
NE 19 mph
Precip.
64%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 72.0°F. The highest and lowest sea temperatures during the month were 74.1°F and 69.3°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 71.4°F. The highest and lowest sea temperatures during the month were 74.5°F and 68.5°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
September 13 days
Warmest months:
July 75.7 °F
August 74.7 °F
June 69.8 °F
Warmest sea temp:
August 72.9 °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

Dennis Port
+72°F
N 14 mph
Feels like: +77°F
Precip.: 7%
Places in USA:
Name
°F
+73°F
+81°F
+77°F
+86°F
+66°F
+86°F
+72°F
+84°F
+75°F
+68°F
+55°F
+68°F
+84°F
+79°F
+75°F
24 Hours Forecast
Dennis Port
Local time: 09:25
July 21, tuesday
1200
79°F
NW
16 mph
1500
81°F
NW
19 mph
1800
73°F
NW
18 mph
2100
72°F
N
19 mph
July 22, wednesday
0000
72°F
NE
30 mph
0300
72°F
NE
22 mph
0600
72°F
NE
19 mph
0900
73°F
NE
18 mph
Units of measurement: °C / °F