S
M
T
W
T
F
S
26
72°
55°
27
69°
57°
28
72°
56°
29
70°
52°
30
72°
56°
31
74°
58°
1
74°
57°
2
72°
53°
3
69°
52°
4
69°
52°
5
71°
51°
6
69°
51°
7
69°
52°
8
71°
51°
9
71°
50°
10
72°
52°
11
72°
57°
12
70°
58°
13
68°
57°
14
72°
57°
15
71°
53°
16
72°
57°
17
71°
55°
18
67°
56°
19
67°
53°
20
68°
55°
21
72°
56°
22
71°
53°
23
68°
54°
24
66°
54°
25
66°
55°
26
68°
52°
27
66°
54°
28
66°
54°
29
68°
53°
30
70°
54°
31
71°
55°
1
69°
54°
2
68°
53°
3
68°
54°
4
69°
51°
5
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Calne
Calne's August 2026 forecast shows daily high temperatures ranging from 66° to 74°, with overnight lows between 50° and 58°. The average high for August is 70° 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 Calne. See also: September | October | November.