S
M
T
W
T
F
S
26
70°
32°
27
75°
36°
28
71°
38°
29
68°
40°
30
52°
44°
1
57°
36°
2
50°
35°
3
50°
31°
4
69°
31°
5
82°
42°
6
55°
45°
7
58°
37°
8
54°
32°
9
57°
30°
10
67°
43°
11
57°
34°
12
55°
31°
13
48°
33°
14
57°
46°
15
67°
51°
16
78°
52°
17
80°
53°
18
83°
48°
19
85°
56°
20
83°
58°
21
63°
39°
22
69°
33°
23
70°
45°
24
52°
48°
25
69°
50°
26
78°
59°
27
77°
50°
28
63°
47°
29
70°
46°
30
67°
48°
31
70°
47°
1
69°
49°
2
70°
49°
3
72°
51°
4
73°
52°
5
74°
50°
6
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Johnsbury Town
St. Johnsbury Town's May 2026 forecast shows daily high temperatures ranging from 52° to 78°, with overnight lows between 45° and 59°. The average high for May is 70° with an average low of 49°. 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 St. Johnsbury Town. See also: June | July | August.
