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
73°
42°
4
81°
44°
5
82°
50°
6
78°
66°
7
73°
56°
8
69°
53°
9
78°
59°
10
83°
60°
11
82°
61°
12
77°
55°
13
81°
54°
14
79°
52°
15
82°
59°
16
86°
62°
17
87°
66°
18
88°
68°
19
87°
67°
20
86°
66°
21
86°
66°
22
88°
69°
23
89°
68°
24
88°
69°
25
86°
63°
26
86°
66°
27
85°
65°
28
87°
67°
29
87°
67°
30
86°
68°
31
83°
68°
1
87°
67°
2
88°
68°
3
88°
69°
4
86°
69°
5
82°
68°
6
84°
68°
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 77° to 89°, with overnight lows between 52° and 69°. The average high for May is 85° with an average low of 65°. 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.