S
M
T
W
T
F
S
26
76°
57°
27
76°
58°
28
75°
57°
29
75°
58°
30
76°
57°
31
72°
57°
1
75°
56°
2
70°
56°
3
73°
57°
4
73°
57°
5
72°
56°
6
74°
56°
7
72°
53°
8
71°
51°
9
71°
51°
10
72°
56°
11
72°
55°
12
73°
51°
13
70°
50°
14
70°
56°
15
71°
50°
16
70°
53°
17
70°
51°
18
71°
53°
19
71°
51°
20
70°
50°
21
69°
55°
22
70°
51°
23
69°
50°
24
71°
49°
25
69°
49°
26
68°
50°
27
69°
54°
28
71°
54°
29
72°
53°
30
72°
53°
31
71°
52°
1
72°
53°
2
72°
52°
3
70°
50°
4
71°
52°
5
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Westminster
Westminster's August 2026 forecast shows daily high temperatures ranging from 68° to 76°, with overnight lows between 49° and 58°. The average high for August is 72° with an average low of 53°. 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 Westminster. See also: September | October | November.
