World Resorts USA Bar Harbor Weather

Bar Harbor 14 Days Forecast

11.08
tue
Day
81°F
E 9 mph
Precip.
4%
Night
63°F
E 7 mph
Precip.
8%
12.08
wed
Day
75°F
E 7 mph
Precip.
2%
Night
64°F
SE 8 mph
Precip.
17%
13.08
thu
Day
73°F
E 7 mph
Precip.
4%
Night
59°F
SE 5 mph
Precip.
10%
14.08
fri
Day
72°F
E 4 mph
Precip.
4%
Night
61°F
SE 10 mph
Precip.
7%
15.08
sat
Day
70°F
SE 11 mph
Precip.
2%
Night
61°F
E 6 mph
Precip.
8%
16.08
sun
Day
72°F
N 7 mph
Precip.
2%
Night
63°F
N 7 mph
Precip.
44%
17.08
mon
Day
72°F
S 4 mph
Precip.
6%
Night
57°F
SE 7 mph
Precip.
15%
18.08
tue
Day
70°F
NE 9 mph
Precip.
1%
Night
57°F
SE 4 mph
Precip.
6%
19.08
wed
Day
72°F
N 7 mph
Precip.
1%
Night
63°F
NE 11 mph
Precip.
8%
20.08
thu
Day
64°F
N 14 mph
Precip.
13%
Night
64°F
NE 12 mph
Precip.
27%
21.08
fri
Day
64°F
N 16 mph
Precip.
72%
Night
63°F
N 6 mph
Precip.
51%
22.08
sat
Day
66°F
S 14 mph
Precip.
9%
Night
55°F
S 7 mph
Precip.
6%
23.08
sun
Day
66°F
SE 5 mph
Precip.
2%
Night
55°F
E 4 mph
Precip.
10%
24.08
mon
Day
64°F
W 4 mph
Precip.
4%
Night
57°F
N 3 mph
Precip.
9%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.6°F and 56.8°F.

Air temperature in Bar Harbor, °F

Precipitation total in Bar Harbor, in.

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

Best time for vacation in Bar Harbor

Sunniest months:
October 13 days
September 13 days
November 13 days
Warmest months:
July 72.5 °F
August 71.1 °F
June 66.7 °F
Warmest sea temp:
August 61.2 °F
July 59.0 °F
September 58.4 °F
Coldest months:
January 28.9 °F
February 29.9 °F
December 34.8 °F
Rainiest months:
October 3 days
March 2 days
December 2 days
Windiest months:
December 11.0 mph
March 10.8 mph
February 10.8 mph

Bar Harbor on a weather map

Bar Harbor
+73°F
E 6 mph
Feels like: +77°F
Precip.: 6%
Places in USA:
Name
°F
+79°F
+75°F
+77°F
+81°F
+64°F
+86°F
+72°F
+77°F
+77°F
+66°F
+55°F
+66°F
+82°F
+81°F
+73°F
24 Hours Forecast
Bar Harbor
Local time: 09:02
August 11, tuesday
1200
81°F
E
9 mph
1500
82°F
SE
12 mph
1800
75°F
SE
9 mph
2100
66°F
SE
6 mph
August 12, wednesday
0000
63°F
E
7 mph
0300
61°F
SE
6 mph
0600
59°F
SE
6 mph
0900
70°F
SE
9 mph
Units of measurement: °C / °F