S
M
T
W
T
F
S
26
69°
41°
27
60°
45°
28
59°
50°
29
69°
46°
30
77°
46°
1
77°
49°
2
80°
52°
3
84°
50°
4
83°
52°
5
69°
53°
6
60°
54°
7
69°
54°
8
62°
53°
9
72°
53°
10
70°
50°
11
74°
52°
12
84°
49°
13
N/A
14
61°
47°
15
54°
43°
16
59°
45°
17
61°
46°
18
60°
50°
19
64°
50°
20
69°
51°
21
71°
53°
22
63°
53°
23
65°
51°
24
64°
52°
25
65°
54°
26
66°
52°
27
62°
50°
28
60°
53°
29
60°
52°
30
61°
51°
31
65°
54°
1
66°
55°
2
61°
54°
3
61°
51°
4
62°
52°
5
61°
53°
6
61°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in New Westminster
New Westminster's May 2026 forecast shows daily high temperatures ranging from 54° to 71°, with overnight lows between 43° and 55°. The average high for May is 63° with an average low of 51°. 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 New Westminster. See also: June | July | August.
