S
M
T
W
T
F
S
26
54°
36°
27
64°
38°
28
62°
44°
29
56°
47°
30
58°
40°
1
53°
41°
2
51°
35°
3
50°
36°
4
54°
39°
5
61°
44°
6
60°
45°
7
59°
42°
8
56°
39°
9
58°
38°
10
57°
38°
11
57°
41°
12
58°
41°
13
57°
40°
14
57°
43°
15
58°
41°
16
58°
41°
17
59°
42°
18
59°
42°
19
60°
43°
20
58°
43°
21
60°
42°
22
61°
43°
23
62°
50°
24
68°
51°
25
66°
47°
26
62°
44°
27
62°
45°
28
64°
50°
29
63°
52°
30
63°
53°
31
64°
53°
1
65°
52°
2
67°
54°
3
65°
54°
4
69°
53°
5
72°
47°
6
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Swiftwater
Swiftwater's May 2026 forecast shows daily high temperatures ranging from 50° to 72°, with overnight lows between 35° and 54°. The average high for May is 60° with an average low of 44°. 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 Swiftwater. See also: June | July | August.