S
M
T
W
T
F
S
26
84°
64°
27
84°
70°
28
85°
66°
29
80°
63°
30
78°
63°
31
81°
68°
1
85°
70°
2
87°
71°
3
85°
70°
4
86°
69°
5
81°
68°
6
82°
70°
7
87°
69°
8
80°
70°
9
86°
68°
10
79°
65°
11
80°
67°
12
82°
69°
13
85°
66°
14
81°
62°
15
78°
62°
16
79°
65°
17
78°
67°
18
82°
68°
19
84°
65°
20
85°
68°
21
85°
64°
22
77°
61°
23
83°
67°
24
78°
66°
25
85°
65°
26
85°
66°
27
84°
59°
28
77°
58°
29
74°
56°
30
76°
59°
31
77°
63°
1
76°
66°
2
80°
58°
3
76°
55°
4
73°
56°
5
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harwood Heights
Harwood Heights's August 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 55° and 71°. The average high for August is 81° with an average low of 65°. 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 Harwood Heights. See also: September | October | November.
