S
M
T
W
T
F
S
26
80°
48°
27
86°
50°
28
79°
62°
29
69°
63°
30
77°
61°
31
79°
58°
1
85°
59°
2
84°
69°
3
78°
62°
4
84°
57°
5
84°
58°
6
89°
66°
7
89°
69°
8
88°
67°
9
86°
65°
10
83°
59°
11
82°
61°
12
83°
57°
13
82°
59°
14
81°
55°
15
78°
51°
16
80°
47°
17
75°
65°
18
82°
63°
19
82°
58°
20
83°
58°
21
76°
60°
22
71°
60°
23
72°
62°
24
75°
56°
25
76°
52°
26
80°
53°
27
N/A
28
81°
49°
29
77°
53°
30
83°
59°
31
79°
57°
1
74°
62°
2
76°
62°
3
77°
60°
4
76°
56°
5
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Hillsborough
Hillsborough's August 2026 forecast shows daily high temperatures ranging from 74° to 83°, with overnight lows between 49° and 62°. The average high for August is 77° with an average low of 57°. 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.
