S
M
T
W
T
F
S
26
90°
64°
27
89°
65°
28
89°
66°
29
90°
68°
30
90°
68°
31
91°
71°
1
92°
68°
2
94°
69°
3
97°
68°
4
96°
69°
5
97°
70°
6
98°
71°
7
99°
71°
8
99°
71°
9
Hist. Avg.
95°
69°
10
Hist. Avg.
95°
69°
11
Hist. Avg.
95°
69°
12
Hist. Avg.
95°
69°
13
Hist. Avg.
95°
69°
14
Hist. Avg.
95°
69°
15
Hist. Avg.
95°
69°
16
Hist. Avg.
94°
69°
17
Hist. Avg.
94°
69°
18
Hist. Avg.
94°
68°
19
Hist. Avg.
94°
68°
20
Hist. Avg.
94°
68°
21
Hist. Avg.
94°
68°
22
Hist. Avg.
93°
68°
23
Hist. Avg.
93°
68°
24
Hist. Avg.
93°
67°
25
Hist. Avg.
93°
67°
26
Hist. Avg.
92°
67°
27
Hist. Avg.
92°
67°
28
Hist. Avg.
92°
66°
29
Hist. Avg.
92°
66°
30
Hist. Avg.
91°
66°
31
Hist. Avg.
91°
66°
1
Hist. Avg.
91°
65°
2
Hist. Avg.
90°
65°
3
Hist. Avg.
90°
65°
4
Hist. Avg.
90°
64°
5
Hist. Avg.
90°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Hartford
Hartford's August 2026 forecast shows daily high temperatures ranging from 89° to 99°, with overnight lows between 64° and 71°. The average high for August is 94° with an average low of 69°. 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.
