S
M
T
W
T
F
S
26
67°
55°
27
70°
54°
28
70°
55°
29
69°
55°
30
69°
54°
31
66°
54°
1
65°
53°
2
65°
54°
3
69°
55°
4
69°
55°
5
68°
54°
6
66°
53°
7
66°
51°
8
65°
50°
9
65°
54°
10
66°
53°
11
67°
54°
12
65°
49°
13
66°
51°
14
64°
53°
15
64°
51°
16
65°
52°
17
64°
47°
18
66°
50°
19
65°
50°
20
64°
49°
21
66°
52°
22
64°
53°
23
63°
48°
24
64°
48°
25
64°
47°
26
66°
47°
27
67°
48°
28
67°
52°
29
66°
53°
30
67°
53°
31
66°
52°
1
66°
52°
2
65°
51°
3
64°
52°
4
65°
51°
5
66°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Polmont
Polmont's August 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 47° and 55°. The average high for August is 66° with an average low of 52°. 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 Polmont. See also: September | October | November.