S
M
T
W
T
F
S
26
80°
59°
27
79°
58°
28
81°
58°
29
75°
57°
30
74°
56°
31
78°
61°
1
80°
62°
2
82°
62°
3
81°
61°
4
82°
60°
5
75°
60°
6
76°
61°
7
83°
60°
8
75°
61°
9
81°
59°
10
75°
57°
11
77°
59°
12
79°
61°
13
82°
58°
14
76°
54°
15
74°
54°
16
76°
59°
17
74°
60°
18
78°
60°
19
80°
57°
20
81°
59°
21
81°
55°
22
73°
53°
23
78°
60°
24
76°
57°
25
82°
58°
26
82°
56°
27
78°
50°
28
73°
49°
29
70°
48°
30
73°
50°
31
75°
56°
1
72°
57°
2
79°
50°
3
73°
47°
4
70°
47°
5
69°
48°
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 69° to 83°, with overnight lows between 47° and 62°. The average high for August is 77° with an average low of 57°. 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.
