S
M
T
W
T
F
S
26
82°
62°
27
83°
62°
28
83°
59°
29
82°
64°
30
84°
65°
31
82°
59°
1
82°
65°
2
85°
65°
3
84°
58°
4
83°
59°
5
82°
58°
6
82°
58°
7
83°
60°
8
81°
58°
9
81°
63°
10
86°
62°
11
82°
59°
12
85°
64°
13
87°
64°
14
81°
65°
15
84°
64°
16
87°
57°
17
84°
57°
18
80°
58°
19
80°
62°
20
79°
57°
21
80°
56°
22
81°
61°
23
80°
62°
24
85°
63°
25
87°
62°
26
87°
55°
27
83°
54°
28
78°
54°
29
78°
55°
30
79°
57°
31
82°
61°
1
84°
61°
2
85°
59°
3
84°
56°
4
84°
61°
5
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hillsborough
Hillsborough's August 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 54° and 65°. The average high for August is 83° with an average low of 60°. 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 Hillsborough. See also: September | October | November.
