S
M
T
W
T
F
S
26
80°
59°
27
81°
63°
28
81°
66°
29
85°
67°
30
86°
66°
31
83°
65°
1
84°
67°
2
86°
67°
3
84°
66°
4
86°
65°
5
87°
67°
6
88°
66°
7
86°
66°
8
85°
61°
9
83°
65°
10
84°
59°
11
79°
58°
12
79°
59°
13
80°
59°
14
79°
58°
15
80°
59°
16
79°
58°
17
80°
64°
18
81°
62°
19
82°
63°
20
85°
64°
21
86°
63°
22
79°
58°
23
82°
63°
24
77°
57°
25
78°
57°
26
Hist. Avg.
82°
61°
27
Hist. Avg.
81°
60°
28
Hist. Avg.
81°
60°
29
Hist. Avg.
81°
60°
30
Hist. Avg.
81°
60°
31
Hist. Avg.
81°
60°
1
Hist. Avg.
81°
59°
2
Hist. Avg.
80°
59°
3
Hist. Avg.
80°
59°
4
Hist. Avg.
80°
59°
5
Hist. Avg.
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Westminster
Westminster's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 57° and 67°. The average high for August is 82° with an average low of 62°. 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.
