S
M
T
W
T
F
S
29
66°
32°
30
66°
34°
31
45°
30°
1
44°
28°
2
33°
29°
3
34°
24°
4
38°
27°
5
49°
27°
6
36°
20°
7
44°
12°
8
51°
34°
9
43°
33°
10
54°
34°
11
49°
46°
12
78°
44°
13
66°
45°
14
62°
45°
15
64°
44°
16
68°
31°
17
53°
30°
18
53°
35°
19
57°
41°
20
62°
44°
21
63°
41°
22
55°
35°
23
58°
36°
24
51°
37°
25
52°
35°
26
52°
33°
27
55°
42°
28
54°
44°
29
63°
45°
30
67°
43°
1
54°
41°
2
55°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in St. Joseph
St. Joseph's April 2026 forecast shows daily high temperatures ranging from 49° to 78°, with overnight lows between 30° and 46°. The average high for April is 58° with an average low of 40°. 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. Joseph. See also: May | June | July.
