S
M
T
W
T
F
S
26
79°
61°
27
80°
62°
28
75°
63°
29
78°
58°
30
79°
62°
31
80°
61°
1
Hist. Avg.
78°
58°
2
Hist. Avg.
78°
58°
3
Hist. Avg.
78°
58°
4
Hist. Avg.
78°
58°
5
Hist. Avg.
78°
58°
6
Hist. Avg.
78°
58°
7
Hist. Avg.
78°
58°
8
Hist. Avg.
78°
58°
9
Hist. Avg.
78°
58°
10
Hist. Avg.
78°
58°
11
Hist. Avg.
78°
57°
12
Hist. Avg.
78°
57°
13
Hist. Avg.
78°
57°
14
Hist. Avg.
78°
57°
15
Hist. Avg.
77°
57°
16
Hist. Avg.
77°
57°
17
Hist. Avg.
77°
56°
18
Hist. Avg.
77°
56°
19
Hist. Avg.
77°
56°
20
Hist. Avg.
77°
56°
21
Hist. Avg.
77°
56°
22
Hist. Avg.
76°
56°
23
Hist. Avg.
76°
55°
24
Hist. Avg.
76°
55°
25
Hist. Avg.
76°
55°
26
Hist. Avg.
76°
55°
27
Hist. Avg.
76°
55°
28
Hist. Avg.
75°
54°
29
Hist. Avg.
75°
54°
30
Hist. Avg.
75°
54°
31
Hist. Avg.
74°
54°
1
Hist. Avg.
74°
54°
2
Hist. Avg.
74°
53°
3
Hist. Avg.
74°
53°
4
Hist. Avg.
73°
53°
5
Hist. Avg.
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Bass Harbor
Bass Harbor's August 2026 forecast shows daily high temperatures ranging from 75° to 80°, with overnight lows between 58° and 63°. The average high for August is 79° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Bass Harbor. See also: September | October | November.
