S
M
T
W
T
F
S
29
51°
29°
30
64°
42°
31
66°
33°
1
37°
31°
2
60°
31°
3
63°
34°
4
57°
34°
5
41°
32°
6
40°
26°
7
26°
21°
8
46°
41°
9
57°
35°
10
41°
34°
11
41°
35°
12
57°
53°
13
66°
57°
14
62°
28°
15
49°
33°
16
51°
38°
17
53°
42°
18
59°
41°
19
59°
44°
20
63°
47°
21
60°
36°
22
47°
34°
23
48°
38°
24
48°
43°
25
58°
42°
26
50°
37°
27
48°
37°
28
53°
39°
29
56°
44°
30
59°
46°
1
62°
44°
2
56°
42°
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 41° to 66°, with overnight lows between 28° and 57°. The average high for April is 54° 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.
