S
M
T
W
T
F
S
26
87°
67°
27
87°
66°
28
86°
68°
29
83°
67°
30
81°
67°
31
86°
66°
1
87°
67°
2
87°
66°
3
87°
66°
4
88°
67°
5
86°
66°
6
83°
65°
7
81°
64°
8
82°
60°
9
82°
60°
10
83°
61°
11
81°
66°
12
85°
66°
13
87°
65°
14
87°
60°
15
82°
59°
16
81°
62°
17
83°
65°
18
80°
59°
19
83°
59°
20
83°
60°
21
84°
60°
22
85°
61°
23
85°
58°
24
84°
58°
25
83°
58°
26
84°
63°
27
85°
64°
28
80°
63°
29
85°
65°
30
85°
63°
31
84°
56°
1
81°
55°
2
78°
57°
3
77°
56°
4
78°
56°
5
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hamden
Hamden's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 55° and 68°. The average high for August is 83° with an average low of 62°. 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 Hamden. See also: September | October | November.