S
M
T
W
T
F
S
26
76°
56°
27
75°
58°
28
81°
61°
29
82°
62°
30
83°
60°
31
82°
59°
1
81°
60°
2
81°
60°
3
80°
59°
4
82°
61°
5
83°
62°
6
83°
59°
7
82°
54°
8
79°
53°
9
76°
55°
10
77°
58°
11
75°
54°
12
74°
53°
13
74°
53°
14
75°
54°
15
75°
52°
16
73°
54°
17
72°
52°
18
74°
58°
19
80°
52°
20
76°
57°
21
74°
57°
22
80°
53°
23
74°
57°
24
75°
54°
25
76°
54°
26
Hist. Avg.
76°
51°
27
Hist. Avg.
76°
51°
28
Hist. Avg.
75°
51°
29
Hist. Avg.
75°
50°
30
Hist. Avg.
75°
50°
31
Hist. Avg.
75°
50°
1
Hist. Avg.
74°
50°
2
Hist. Avg.
74°
49°
3
Hist. Avg.
74°
49°
4
Hist. Avg.
74°
49°
5
Hist. Avg.
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Sunday River
Sunday River's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 52° and 62°. The average high for August is 78° with an average low of 56°. 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 Sunday River. See also: September | October | November.
