S
M
T
W
T
F
S
29
54°
27°
30
72°
52°
31
81°
59°
1
82°
59°
2
55°
49°
3
76°
61°
4
79°
64°
5
70°
46°
6
60°
41°
7
55°
31°
8
52°
38°
9
62°
48°
10
67°
45°
11
71°
50°
12
70°
52°
13
72°
53°
14
69°
50°
15
65°
57°
16
70°
42°
17
64°
38°
18
62°
41°
19
63°
44°
20
69°
49°
21
73°
51°
22
75°
50°
23
70°
50°
24
72°
51°
25
75°
52°
26
76°
52°
27
74°
47°
28
65°
43°
29
67°
51°
30
75°
52°
1
69°
48°
2
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Algonquin
Algonquin's April 2026 forecast shows daily high temperatures ranging from 52° to 79°, with overnight lows between 31° and 64°. The average high for April is 68° 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 Algonquin. See also: May | June | July.
