S
M
T
W
T
F
S
26
71°
33°
27
75°
35°
28
71°
37°
29
69°
38°
30
53°
45°
1
62°
36°
2
55°
40°
3
52°
38°
4
68°
47°
5
77°
55°
6
60°
43°
7
59°
43°
8
56°
37°
9
56°
40°
10
61°
38°
11
62°
41°
12
62°
45°
13
65°
45°
14
63°
48°
15
64°
47°
16
65°
44°
17
72°
48°
18
74°
49°
19
74°
49°
20
71°
50°
21
73°
49°
22
72°
50°
23
67°
45°
24
64°
43°
25
66°
44°
26
66°
50°
27
67°
46°
28
67°
44°
29
68°
44°
30
68°
45°
31
69°
52°
1
69°
48°
2
70°
45°
3
71°
53°
4
74°
52°
5
70°
50°
6
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in White River Junction
White River Junction's May 2026 forecast shows daily high temperatures ranging from 52° to 77°, with overnight lows between 37° and 55°. The average high for May is 67° with an average low of 46°. 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 White River Junction. See also: June | July | August.