S
M
T
W
T
F
S
26
73°
56°
27
74°
56°
28
74°
59°
29
71°
58°
30
70°
56°
31
69°
54°
1
70°
53°
2
69°
52°
3
71°
54°
4
74°
58°
5
74°
58°
6
73°
57°
7
69°
56°
8
70°
54°
9
71°
58°
10
72°
55°
11
74°
58°
12
74°
58°
13
73°
57°
14
74°
58°
15
73°
57°
16
74°
58°
17
73°
57°
18
73°
54°
19
70°
51°
20
68°
51°
21
68°
50°
22
69°
51°
23
68°
54°
24
68°
51°
25
69°
51°
26
68°
55°
27
67°
56°
28
67°
51°
29
69°
52°
30
68°
51°
31
67°
50°
1
69°
51°
2
70°
54°
3
71°
55°
4
70°
50°
5
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Southam
Southam's August 2026 forecast shows daily high temperatures ranging from 67° to 74°, with overnight lows between 49° and 59°. The average high for August is 71° 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 Southam. See also: September | October | November.