S
M
T
W
T
F
S
29
71°
36°
30
78°
60°
31
84°
67°
1
84°
66°
2
83°
62°
3
83°
67°
4
80°
43°
5
59°
40°
6
64°
37°
7
53°
35°
8
71°
50°
9
73°
56°
10
82°
57°
11
81°
59°
12
79°
60°
13
74°
60°
14
74°
56°
15
71°
55°
16
73°
55°
17
71°
46°
18
74°
56°
19
75°
55°
20
75°
56°
21
76°
57°
22
76°
56°
23
75°
55°
24
72°
54°
25
68°
50°
26
70°
57°
27
71°
54°
28
69°
52°
29
67°
47°
30
67°
53°
1
68°
55°
2
69°
50°
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 53° to 82°, with overnight lows between 35° and 60°. The average high for April is 72° with an average low of 52°. 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.
