S
M
T
W
T
F
S
26
74°
50°
27
66°
54°
28
70°
57°
29
64°
50°
30
63°
41°
1
57°
40°
2
55°
37°
3
63°
36°
4
77°
53°
5
68°
47°
6
57°
41°
7
61°
37°
8
70°
45°
9
76°
53°
10
71°
55°
11
71°
45°
12
76°
40°
13
71°
53°
14
66°
43°
15
71°
41°
16
77°
63°
17
82°
64°
18
82°
66°
19
83°
64°
20
69°
57°
21
68°
54°
22
63°
59°
23
71°
60°
24
73°
60°
25
78°
62°
26
75°
65°
27
78°
63°
28
81°
61°
29
78°
59°
30
70°
54°
31
75°
55°
1
74°
54°
2
75°
55°
3
76°
56°
4
79°
58°
5
78°
60°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lost River
Lost River's May 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 54° and 65°. The average high for May is 77° with an average low of 59°. 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 Lost River. See also: June | July | August.
