S
M
T
W
T
F
S
26
69°
42°
27
66°
42°
28
65°
44°
29
60°
43°
30
61°
43°
1
60°
44°
2
61°
43°
3
65°
42°
4
70°
44°
5
71°
45°
6
71°
45°
7
70°
44°
8
72°
44°
9
62°
46°
10
64°
45°
11
73°
47°
12
74°
46°
13
74°
48°
14
76°
48°
15
76°
49°
16
75°
49°
17
71°
48°
18
77°
49°
19
78°
50°
20
76°
52°
21
78°
43°
22
77°
44°
23
76°
50°
24
80°
48°
25
81°
48°
26
81°
49°
27
80°
48°
28
83°
44°
29
78°
41°
30
81°
48°
31
80°
50°
1
86°
53°
2
86°
54°
3
85°
55°
4
86°
54°
5
86°
46°
6
77°
50°
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 60° to 86°, with overnight lows between 41° and 55°. The average high for May is 74° with an average low of 47°. 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.
