S
M
T
W
T
F
S
29
77°
45°
30
90°
56°
31
76°
50°
1
53°
46°
2
73°
41°
3
76°
41°
4
52°
36°
5
62°
32°
6
61°
35°
7
59°
38°
8
78°
45°
9
79°
43°
10
62°
46°
11
73°
50°
12
70°
63°
13
85°
67°
14
90°
71°
15
87°
56°
16
86°
44°
17
86°
48°
18
60°
36°
19
74°
33°
20
80°
45°
21
85°
59°
22
75°
61°
23
77°
57°
24
70°
48°
25
77°
46°
26
74°
63°
27
73°
44°
28
63°
41°
29
66°
44°
30
66°
45°
1
65°
41°
2
70°
46°
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 63° to 74°, with overnight lows between 41° and 63°. The average high for April is 68° 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 April weather will actually feel in St. Joseph. See also: May | June | July.
