S
M
T
W
T
F
S
26
91°
71°
27
84°
70°
28
81°
58°
29
82°
55°
30
86°
54°
31
77°
60°
1
69°
64°
2
78°
58°
3
82°
55°
4
84°
65°
5
73°
58°
6
78°
59°
7
82°
63°
8
85°
65°
9
86°
66°
10
84°
68°
11
82°
61°
12
84°
63°
13
81°
61°
14
80°
60°
15
78°
59°
16
78°
61°
17
82°
59°
18
86°
66°
19
87°
64°
20
83°
63°
21
84°
63°
22
85°
64°
23
85°
64°
24
82°
63°
25
82°
63°
26
83°
62°
27
80°
60°
28
78°
62°
29
82°
62°
30
83°
61°
31
83°
62°
1
82°
61°
2
79°
61°
3
81°
60°
4
81°
60°
5
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harvard
Harvard's August 2026 forecast shows daily high temperatures ranging from 73° to 87°, with overnight lows between 58° and 68°. The average high for August is 82° with an average low of 62°. 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 Harvard. See also: September | October | November.
