S
M
T
W
T
F
S
26
84°
66°
27
84°
65°
28
83°
67°
29
80°
66°
30
78°
66°
31
83°
65°
1
84°
67°
2
84°
66°
3
86°
65°
4
85°
66°
5
83°
65°
6
84°
64°
7
78°
65°
8
80°
61°
9
79°
60°
10
80°
59°
11
79°
64°
12
81°
65°
13
84°
65°
14
83°
58°
15
81°
58°
16
77°
59°
17
79°
63°
18
77°
58°
19
80°
57°
20
77°
57°
21
78°
58°
22
80°
61°
23
81°
57°
24
81°
56°
25
79°
57°
26
78°
59°
27
76°
57°
28
75°
59°
29
81°
63°
30
81°
61°
31
80°
54°
1
79°
53°
2
74°
54°
3
73°
54°
4
74°
53°
5
73°
53°
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 73° to 86°, with overnight lows between 53° and 67°. The average high for August is 80° 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 Waterville. See also: September | October | November.
