S
M
T
W
T
F
S
26
80°
60°
27
69°
54°
28
70°
55°
29
73°
56°
30
74°
56°
31
74°
55°
1
75°
57°
2
73°
56°
3
72°
56°
4
74°
55°
5
74°
56°
6
75°
56°
7
75°
55°
8
74°
56°
9
73°
54°
10
72°
53°
11
74°
57°
12
75°
57°
13
75°
56°
14
74°
57°
15
76°
57°
16
76°
56°
17
75°
56°
18
74°
55°
19
74°
55°
20
73°
56°
21
74°
56°
22
73°
53°
23
73°
55°
24
69°
54°
25
68°
50°
26
68°
51°
27
69°
50°
28
69°
51°
29
68°
54°
30
68°
54°
31
69°
48°
1
68°
48°
2
67°
52°
3
67°
47°
4
72°
46°
5
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Harrow
South Harrow's August 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 46° and 60°. 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 South Harrow. See also: September | October | November.
