S
M
T
W
T
F
S
26
69°
59°
27
70°
58°
28
71°
59°
29
70°
58°
30
73°
57°
31
72°
57°
1
77°
56°
2
80°
56°
3
76°
56°
4
74°
56°
5
74°
56°
6
74°
57°
7
73°
56°
8
74°
58°
9
73°
57°
10
73°
57°
11
72°
57°
12
71°
56°
13
73°
57°
14
71°
58°
15
70°
56°
16
70°
57°
17
71°
56°
18
71°
57°
19
70°
55°
20
70°
55°
21
75°
57°
22
74°
56°
23
72°
58°
24
75°
58°
25
76°
57°
26
76°
60°
27
75°
59°
28
76°
59°
29
73°
58°
30
74°
59°
31
74°
59°
1
75°
56°
2
74°
57°
3
76°
57°
4
72°
58°
5
72°
58°
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 70° to 80°, with overnight lows between 55° and 60°. The average high for August is 74° 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.
