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
78°
43°
5
59°
40°
6
64°
37°
7
53°
35°
8
73°
50°
9
79°
56°
10
82°
57°
11
81°
59°
12
79°
60°
13
71°
56°
14
71°
53°
15
68°
51°
16
67°
47°
17
63°
46°
18
65°
48°
19
70°
51°
20
75°
55°
21
75°
55°
22
76°
56°
23
76°
56°
24
77°
57°
25
77°
56°
26
76°
46°
27
65°
46°
28
65°
49°
29
67°
51°
30
66°
48°
1
67°
48°
2
68°
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 71° with an average low of 50°. 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.
