S
M
T
W
T
F
S
26
66°
35°
27
71°
40°
28
75°
43°
29
76°
45°
30
76°
46°
1
77°
47°
2
77°
46°
3
78°
47°
4
79°
48°
5
78°
43°
6
67°
37°
7
67°
36°
8
68°
37°
9
69°
40°
10
75°
47°
11
80°
48°
12
81°
50°
13
83°
51°
14
83°
51°
15
79°
50°
16
82°
51°
17
84°
52°
18
79°
52°
19
80°
43°
20
79°
52°
21
81°
46°
22
75°
42°
23
72°
48°
24
82°
45°
25
75°
52°
26
83°
44°
27
80°
44°
28
74°
43°
29
75°
53°
30
83°
50°
31
88°
53°
1
85°
57°
2
89°
56°
3
90°
55°
4
89°
49°
5
88°
45°
6
79°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glenns Ferry
Glenns Ferry's May 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 35° and 57°. The average high for May is 79° with an average low of 47°. 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 Glenns Ferry. See also: June | July | August.
