S
M
T
W
T
F
S
26
60°
33°
27
65°
23°
28
63°
33°
29
68°
24°
30
57°
29°
1
64°
31°
2
70°
25°
3
73°
34°
4
76°
34°
5
80°
39°
6
64°
26°
7
66°
28°
8
62°
35°
9
61°
31°
10
62°
32°
11
60°
27°
12
61°
28°
13
62°
30°
14
64°
29°
15
61°
30°
16
59°
37°
17
55°
32°
18
54°
34°
19
54°
32°
20
55°
32°
21
62°
40°
22
58°
35°
23
60°
36°
24
64°
40°
25
57°
34°
26
61°
36°
27
65°
41°
28
66°
42°
29
68°
42°
30
66°
41°
31
67°
42°
1
67°
42°
2
66°
41°
3
59°
39°
4
58°
37°
5
57°
36°
6
58°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Topley
Topley's May 2026 forecast shows daily high temperatures ranging from 54° to 80°, with overnight lows between 26° and 42°. The average high for May is 63° with an average low of 35°. 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 Topley. See also: June | July | August.