S
M
T
W
T
F
S
26
68°
48°
27
68°
48°
28
69°
51°
29
68°
51°
30
70°
53°
31
73°
55°
1
74°
55°
2
75°
54°
3
76°
55°
4
76°
52°
5
75°
47°
6
68°
48°
7
66°
48°
8
67°
49°
9
68°
50°
10
70°
48°
11
70°
52°
12
72°
53°
13
73°
52°
14
72°
53°
15
73°
54°
16
72°
50°
17
74°
49°
18
68°
46°
19
65°
45°
20
67°
45°
21
67°
51°
22
68°
51°
23
64°
50°
24
65°
49°
25
69°
52°
26
71°
50°
27
71°
44°
28
68°
47°
29
65°
49°
30
63°
50°
31
71°
52°
1
72°
50°
2
71°
49°
3
70°
43°
4
69°
42°
5
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Waterville Valley
Waterville Valley's August 2026 forecast shows daily high temperatures ranging from 63° to 76°, with overnight lows between 42° and 55°. The average high for August is 70° with an average low of 50°. 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 Waterville Valley. See also: September | October | November.
