S
M
T
W
T
F
S
29
49°
35°
30
50°
38°
31
50°
35°
1
54°
35°
2
52°
37°
3
55°
39°
4
58°
50°
5
56°
38°
6
56°
36°
7
60°
38°
8
63°
42°
9
68°
43°
10
60°
41°
11
61°
41°
12
56°
40°
13
57°
41°
14
58°
43°
15
60°
42°
16
61°
43°
17
62°
45°
18
56°
40°
19
59°
46°
20
55°
46°
21
58°
44°
22
61°
45°
23
62°
46°
24
63°
48°
25
62°
47°
26
55°
46°
27
54°
40°
28
54°
40°
29
55°
41°
30
55°
46°
1
56°
49°
2
58°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Hamm
Hamm's April 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 36° and 49°. The average high for April is 59° with an average low of 43°. 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 Hamm. See also: May | June | July.