S
M
T
W
T
F
S
29
64°
57°
30
64°
59°
31
68°
63°
1
72°
61°
2
73°
64°
3
72°
64°
4
70°
59°
5
70°
63°
6
73°
66°
7
72°
64°
8
73°
66°
9
70°
66°
10
70°
66°
11
70°
66°
12
72°
63°
13
70°
63°
14
72°
64°
15
72°
64°
16
75°
66°
17
75°
70°
18
73°
66°
19
75°
70°
20
73°
66°
21
68°
63°
22
66°
63°
23
70°
61°
24
73°
68°
25
72°
63°
26
72°
63°
27
73°
68°
28
72°
66°
29
70°
66°
30
72°
66°
1
75°
68°
2
72°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Hamilton
Hamilton's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. 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 Hamilton. See also: May | June | July.