S
M
T
W
T
F
S
26
91°
75°
27
96°
76°
28
96°
74°
29
99°
78°
30
99°
75°
31
95°
74°
1
88°
76°
2
89°
74°
3
88°
72°
4
92°
74°
5
93°
73°
6
94°
74°
7
93°
73°
8
94°
74°
9
94°
74°
10
93°
73°
11
97°
75°
12
99°
74°
13
97°
74°
14
96°
75°
15
98°
75°
16
96°
75°
17
97°
75°
18
99°
73°
19
94°
72°
20
96°
73°
21
95°
71°
22
97°
69°
23
95°
71°
24
93°
70°
25
94°
70°
26
93°
71°
27
91°
69°
28
91°
71°
29
91°
70°
30
89°
71°
31
91°
71°
1
91°
70°
2
90°
70°
3
90°
69°
4
91°
70°
5
91°
70°
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 99°, with overnight lows between 69° and 75°. The average high for August is 93° with an average low of 71°. 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.
