S
M
T
W
T
F
S
29
46°
16°
30
66°
28°
31
49°
39°
1
48°
34°
2
44°
33°
3
54°
34°
4
60°
38°
5
45°
38°
6
40°
28°
7
36°
23°
8
47°
16°
9
63°
22°
10
71°
35°
11
47°
32°
12
53°
25°
13
63°
41°
14
64°
49°
15
59°
49°
16
74°
52°
17
69°
45°
18
67°
38°
19
53°
31°
20
40°
25°
21
50°
21°
22
54°
32°
23
56°
34°
24
52°
28°
25
58°
35°
26
63°
37°
27
67°
35°
28
69°
42°
29
61°
46°
30
59°
43°
1
53°
37°
2
51°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in St. Johnsbury
St. Johnsbury's April 2026 forecast shows daily high temperatures ranging from 51° to 69°, with overnight lows between 28° and 46°. The average high for April is 59° with an average low of 37°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in St. Johnsbury. See also: May | June | July.
