S
M
T
W
T
F
S
26
79°
56°
27
80°
56°
28
76°
55°
29
74°
52°
30
80°
57°
31
74°
53°
1
80°
57°
2
81°
57°
3
76°
50°
4
75°
49°
5
74°
53°
6
74°
51°
7
80°
51°
8
79°
50°
9
76°
50°
10
80°
56°
11
80°
49°
12
76°
51°
13
78°
57°
14
82°
58°
15
77°
55°
16
79°
47°
17
72°
47°
18
72°
48°
19
74°
48°
20
72°
49°
21
69°
47°
22
69°
54°
23
71°
56°
24
77°
54°
25
79°
46°
26
78°
44°
27
69°
45°
28
68°
44°
29
68°
46°
30
69°
52°
31
71°
54°
1
77°
53°
2
76°
51°
3
73°
45°
4
74°
51°
5
75°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Waterville
Waterville's August 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 44° and 58°. The average high for August is 75° with an average low of 51°. 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. See also: September | October | November.
