S
M
T
W
T
F
S
26
65°
62°
27
74°
60°
28
75°
61°
29
78°
54°
30
77°
55°
31
86°
55°
1
74°
61°
2
70°
55°
3
80°
54°
4
81°
56°
5
86°
57°
6
88°
57°
7
85°
60°
8
81°
60°
9
78°
57°
10
74°
55°
11
75°
56°
12
73°
57°
13
75°
58°
14
76°
59°
15
74°
58°
16
73°
59°
17
72°
59°
18
71°
58°
19
73°
59°
20
72°
57°
21
73°
58°
22
74°
59°
23
70°
55°
24
74°
59°
25
75°
58°
26
73°
59°
27
72°
59°
28
69°
58°
29
69°
58°
30
67°
57°
31
68°
58°
1
66°
58°
2
66°
57°
3
69°
57°
4
73°
58°
5
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Westminster
New Westminster's August 2026 forecast shows daily high temperatures ranging from 66° to 76°, with overnight lows between 55° and 59°. The average high for August is 72° with an average low of 58°. 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 New Westminster. See also: September | October | November.
