S
M
T
W
T
F
S
26
74°
54°
27
75°
55°
28
75°
56°
29
76°
54°
30
75°
56°
31
76°
61°
1
80°
61°
2
81°
60°
3
81°
62°
4
80°
60°
5
81°
53°
6
76°
53°
7
72°
54°
8
74°
54°
9
74°
56°
10
75°
55°
11
77°
59°
12
78°
55°
13
77°
59°
14
79°
60°
15
78°
60°
16
78°
58°
17
80°
56°
18
76°
53°
19
72°
53°
20
73°
52°
21
72°
56°
22
73°
58°
23
72°
56°
24
73°
56°
25
75°
59°
26
77°
57°
27
77°
52°
28
75°
54°
29
71°
57°
30
72°
58°
31
77°
59°
1
78°
57°
2
78°
56°
3
76°
51°
4
76°
48°
5
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Biddeford
Biddeford's August 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 48° and 62°. The average high for August is 76° 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 Biddeford. See also: September | October | November.
