S
M
T
W
T
F
S
26
63°
41°
27
70°
35°
28
66°
35°
29
62°
44°
30
53°
44°
1
63°
41°
2
55°
44°
3
56°
33°
4
73°
38°
5
73°
51°
6
63°
49°
7
59°
35°
8
52°
37°
9
55°
41°
10
60°
49°
11
60°
42°
12
57°
41°
13
57°
44°
14
61°
45°
15
60°
47°
16
61°
46°
17
63°
47°
18
62°
44°
19
67°
49°
20
66°
48°
21
66°
49°
22
67°
49°
23
62°
44°
24
59°
43°
25
61°
43°
26
62°
50°
27
62°
46°
28
62°
44°
29
62°
44°
30
63°
45°
31
64°
52°
1
66°
49°
2
65°
45°
3
65°
52°
4
70°
53°
5
66°
52°
6
67°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westminster
Westminster's May 2026 forecast shows daily high temperatures ranging from 52° to 73°, with overnight lows between 35° and 54°. The average high for May is 63° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Westminster. See also: June | July | August.
