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°
33°
19
71°
40°
20
76°
53°
21
82°
56°
22
81°
64°
23
77°
51°
24
65°
41°
25
68°
42°
26
66°
47°
27
64°
46°
28
63°
43°
29
66°
45°
30
64°
46°
1
78°
59°
2
64°
51°
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 60° to 82°, with overnight lows between 33° and 64°. The average high for April is 70° with an average low of 48°. 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.
