S
M
T
W
T
F
S
28
84°
66°
29
90°
63°
30
88°
64°
1
90°
68°
2
99°
73°
3
99°
82°
4
N/A
5
79°
64°
6
68°
63°
7
71°
61°
8
82°
64°
9
84°
69°
10
86°
69°
11
85°
66°
12
82°
65°
13
84°
64°
14
83°
63°
15
84°
64°
16
85°
66°
17
84°
64°
18
79°
64°
19
82°
66°
20
79°
61°
21
78°
62°
22
78°
62°
23
80°
63°
24
82°
63°
25
81°
64°
26
84°
66°
27
82°
67°
28
85°
68°
29
85°
68°
30
84°
67°
31
84°
68°
1
83°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Haddam
Haddam's July 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 61° and 69°. The average high for July is 82° 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 July weather will actually feel in Haddam. See also: August | September | October.