S
M
T
W
T
F
S
29
44°
27°
30
54°
30°
31
46°
35°
1
42°
29°
2
43°
29°
3
69°
39°
4
53°
35°
5
51°
34°
6
43°
30°
7
34°
23°
8
42°
18°
9
48°
39°
10
42°
35°
11
49°
35°
12
51°
47°
13
56°
41°
14
60°
48°
15
59°
51°
16
57°
44°
17
58°
41°
18
55°
38°
19
55°
43°
20
58°
42°
21
57°
42°
22
53°
38°
23
49°
37°
24
50°
43°
25
52°
43°
26
54°
41°
27
49°
38°
28
53°
38°
29
53°
40°
30
56°
45°
1
55°
44°
2
58°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Frontenac Islands
Frontenac Islands's April 2026 forecast shows daily high temperatures ranging from 42° to 60°, with overnight lows between 35° and 51°. The average high for April is 54° with an average low of 41°. 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 Frontenac Islands. See also: May | June | July.
