S
M
T
W
T
F
S
26
102°
79°
27
102°
73°
28
102°
73°
29
102°
77°
30
97°
77°
31
102°
77°
1
90°
70°
2
91°
64°
3
97°
64°
4
100°
70°
5
102°
77°
6
102°
77°
7
104°
73°
8
97°
72°
9
100°
72°
10
99°
76°
11
98°
80°
12
99°
81°
13
100°
79°
14
101°
77°
15
104°
75°
16
103°
75°
17
102°
72°
18
103°
74°
19
103°
72°
20
102°
72°
21
103°
74°
22
103°
71°
23
92°
66°
24
96°
71°
25
95°
70°
26
95°
70°
27
94°
71°
28
95°
71°
29
95°
70°
30
94°
69°
31
92°
69°
1
89°
68°
2
89°
68°
3
92°
67°
4
91°
68°
5
92°
67°
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 89° to 104°, with overnight lows between 66° and 81°. The average high for August is 97° with an average low of 72°. 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.
