S
M
T
W
T
F
S
26
70°
58°
27
70°
59°
28
73°
60°
29
74°
59°
30
75°
60°
1
73°
57°
2
70°
55°
3
71°
56°
4
74°
57°
5
71°
53°
6
66°
53°
7
67°
54°
8
68°
54°
9
68°
55°
10
69°
54°
11
70°
54°
12
70°
55°
13
74°
57°
14
71°
55°
15
68°
54°
16
68°
54°
17
70°
55°
18
75°
57°
19
74°
58°
20
76°
60°
21
77°
59°
22
72°
57°
23
69°
56°
24
73°
57°
25
72°
56°
26
69°
56°
27
69°
57°
28
70°
57°
29
69°
56°
30
71°
60°
31
74°
61°
1
72°
62°
2
77°
63°
3
79°
63°
4
78°
60°
5
79°
61°
6
78°
59°
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 66° to 79°, with overnight lows between 53° and 63°. The average high for May is 72° with an average low of 57°. 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.
