S
M
T
W
T
F
S
26
70°
42°
27
58°
42°
28
61°
49°
29
72°
46°
30
77°
48°
1
79°
47°
2
83°
53°
3
85°
55°
4
84°
57°
5
72°
48°
6
64°
52°
7
67°
52°
8
61°
48°
9
70°
50°
10
67°
49°
11
72°
48°
12
75°
49°
13
74°
51°
14
78°
50°
15
76°
50°
16
71°
50°
17
69°
50°
18
71°
49°
19
66°
47°
20
60°
42°
21
61°
47°
22
61°
44°
23
63°
44°
24
67°
49°
25
65°
47°
26
62°
44°
27
62°
43°
28
63°
50°
29
62°
52°
30
63°
48°
31
71°
49°
1
72°
52°
2
71°
50°
3
64°
46°
4
67°
48°
5
70°
46°
6
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chilliwack
Chilliwack's May 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 42° and 52°. The average high for May is 67° with an average low of 48°. 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 Chilliwack. See also: June | July | August.
