S
M
T
W
T
F
S
26
57°
36°
27
48°
32°
28
55°
27°
29
55°
36°
30
59°
37°
1
66°
36°
2
68°
37°
3
73°
39°
4
73°
45°
5
67°
33°
6
68°
48°
7
74°
44°
8
72°
44°
9
69°
39°
10
72°
40°
11
76°
46°
12
72°
40°
13
64°
39°
14
68°
40°
15
67°
39°
16
68°
38°
17
65°
39°
18
68°
36°
19
60°
31°
20
64°
35°
21
70°
42°
22
74°
43°
23
73°
42°
24
70°
43°
25
73°
43°
26
74°
44°
27
73°
43°
28
66°
42°
29
63°
41°
30
69°
43°
31
75°
44°
1
76°
44°
2
75°
45°
3
77°
46°
4
78°
46°
5
77°
45°
6
77°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Picabo
Picabo's May 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 31° and 48°. The average high for May is 71° with an average low of 42°. 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 Picabo. See also: June | July | August.