S
M
T
W
T
F
S
26
75°
61°
27
77°
57°
28
82°
61°
29
90°
61°
30
79°
61°
31
75°
59°
1
75°
55°
2
79°
55°
3
88°
57°
4
83°
62°
5
76°
53°
6
70°
48°
7
74°
53°
8
80°
57°
9
77°
54°
10
73°
52°
11
79°
58°
12
81°
59°
13
80°
59°
14
77°
57°
15
78°
58°
16
79°
59°
17
71°
55°
18
69°
54°
19
68°
51°
20
67°
50°
21
66°
50°
22
67°
51°
23
67°
50°
24
71°
55°
25
72°
55°
26
72°
54°
27
71°
53°
28
70°
54°
29
71°
53°
30
72°
54°
31
72°
54°
1
71°
52°
2
68°
50°
3
65°
49°
4
65°
49°
5
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harrowden
Harrowden's August 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 48° and 62°. The average high for August is 72° with an average low of 54°. 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 Harrowden. See also: September | October | November.