S
M
T
W
T
F
S
26
76°
50°
27
84°
51°
28
82°
58°
29
72°
63°
30
77°
63°
31
79°
61°
1
87°
64°
2
87°
70°
3
78°
60°
4
88°
61°
5
88°
65°
6
90°
72°
7
92°
73°
8
86°
72°
9
89°
71°
10
90°
68°
11
87°
69°
12
86°
68°
13
80°
65°
14
78°
64°
15
78°
64°
16
80°
62°
17
78°
67°
18
78°
65°
19
79°
67°
20
77°
65°
21
77°
62°
22
78°
66°
23
83°
68°
24
83°
68°
25
78°
67°
26
77°
65°
27
76°
66°
28
76°
67°
29
78°
67°
30
81°
66°
31
81°
65°
1
80°
61°
2
74°
61°
3
74°
62°
4
75°
59°
5
74°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Methuen
Methuen's August 2026 forecast shows daily high temperatures ranging from 74° to 92°, with overnight lows between 58° and 73°. The average high for August is 81° with an average low of 65°. 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 Methuen. See also: September | October | November.