S
M
T
W
T
F
S
26
87°
59°
27
82°
60°
28
73°
64°
29
82°
64°
30
74°
59°
1
67°
55°
2
71°
46°
3
72°
44°
4
79°
52°
5
79°
61°
6
80°
67°
7
74°
52°
8
72°
50°
9
79°
56°
10
78°
59°
11
79°
55°
12
76°
58°
13
80°
57°
14
81°
59°
15
81°
60°
16
82°
62°
17
79°
63°
18
80°
64°
19
83°
64°
20
79°
65°
21
79°
61°
22
80°
58°
23
77°
58°
24
78°
59°
25
79°
61°
26
80°
59°
27
78°
59°
28
79°
60°
29
81°
65°
30
81°
66°
31
82°
67°
1
83°
68°
2
82°
67°
3
82°
67°
4
83°
66°
5
84°
68°
6
85°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Valley Junction
Valley Junction's May 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 44° and 69°. The average high for May is 80° with an average low of 61°. 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 Valley Junction. See also: June | July | August.