S
M
T
W
T
F
S
26
67°
58°
27
69°
53°
28
70°
53°
29
72°
54°
30
73°
56°
31
72°
57°
1
70°
56°
2
69°
57°
3
69°
57°
4
70°
58°
5
70°
56°
6
68°
58°
7
68°
57°
8
69°
56°
9
70°
57°
10
68°
53°
11
68°
54°
12
69°
54°
13
71°
52°
14
68°
54°
15
72°
55°
16
72°
54°
17
71°
54°
18
72°
55°
19
73°
56°
20
73°
57°
21
72°
57°
22
72°
56°
23
71°
55°
24
72°
56°
25
71°
56°
26
72°
55°
27
70°
56°
28
71°
53°
29
67°
54°
30
68°
52°
31
68°
53°
1
67°
53°
2
70°
54°
3
68°
55°
4
67°
54°
5
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Swindon
Swindon's August 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 52° and 58°. The average high for August is 70° with an average low of 55°. 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 Swindon. See also: September | October | November.
