S
M
T
W
T
F
S
26
57°
36°
27
57°
31°
28
60°
30°
29
64°
32°
30
65°
37°
1
68°
29°
2
76°
34°
3
78°
39°
4
77°
43°
5
69°
47°
6
70°
39°
7
74°
49°
8
77°
42°
9
73°
46°
10
83°
38°
11
83°
51°
12
92°
45°
13
86°
47°
14
70°
41°
15
67°
39°
16
58°
36°
17
56°
34°
18
61°
35°
19
67°
37°
20
69°
46°
21
77°
49°
22
76°
46°
23
79°
46°
24
84°
48°
25
80°
49°
26
74°
45°
27
75°
46°
28
77°
47°
29
74°
44°
30
67°
44°
31
66°
41°
1
72°
48°
2
74°
49°
3
78°
50°
4
79°
51°
5
80°
52°
6
79°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Raft River
Raft River's May 2026 forecast shows daily high temperatures ranging from 56° to 84°, with overnight lows between 34° and 52°. The average high for May is 73° with an average low of 45°. 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 Raft River. See also: June | July | August.