S
M
T
W
T
F
S
26
59°
32°
27
61°
33°
28
60°
30°
29
53°
25°
30
51°
24°
1
52°
25°
2
55°
34°
3
61°
36°
4
64°
36°
5
56°
27°
6
54°
26°
7
56°
27°
8
57°
28°
9
57°
28°
10
61°
31°
11
65°
31°
12
68°
38°
13
67°
35°
14
64°
34°
15
66°
39°
16
67°
32°
17
57°
29°
18
58°
30°
19
59°
30°
20
60°
33°
21
59°
32°
22
60°
36°
23
59°
39°
24
59°
32°
25
58°
33°
26
58°
32°
27
60°
32°
28
62°
39°
29
73°
43°
30
75°
41°
31
65°
37°
1
67°
35°
2
66°
34°
3
69°
35°
4
71°
32°
5
69°
34°
6
72°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Swan Valley
Swan Valley's May 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 24° and 43°. The average high for May is 62° with an average low of 33°. 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 Swan Valley. See also: June | July | August.
