S
M
T
W
T
F
S
26
76°
59°
27
83°
62°
28
82°
66°
29
78°
59°
30
84°
57°
31
85°
60°
1
77°
66°
2
77°
66°
3
80°
63°
4
85°
55°
5
89°
66°
6
88°
63°
7
84°
68°
8
86°
66°
9
86°
62°
10
82°
66°
11
75°
64°
12
75°
64°
13
83°
64°
14
77°
66°
15
80°
65°
16
84°
71°
17
80°
68°
18
80°
63°
19
80°
62°
20
82°
64°
21
82°
60°
22
81°
62°
23
73°
57°
24
73°
49°
25
77°
55°
26
79°
60°
27
79°
59°
28
80°
55°
29
80°
58°
30
82°
63°
31
86°
65°
1
77°
57°
2
74°
55°
3
77°
56°
4
76°
56°
5
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hartford
Hartford's August 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 55° and 65°. The average high for August is 79° with an average low of 58°. 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 Hartford. See also: September | October | November.
