S
M
T
W
T
F
S
29
78°
46°
30
83°
62°
31
78°
68°
1
74°
62°
2
77°
60°
3
75°
50°
4
58°
39°
5
63°
35°
6
70°
36°
7
73°
45°
8
75°
52°
9
76°
57°
10
75°
57°
11
77°
63°
12
71°
64°
13
81°
65°
14
73°
46°
15
67°
45°
16
67°
50°
17
72°
57°
18
73°
59°
19
75°
60°
20
81°
59°
21
72°
55°
22
74°
48°
23
64°
53°
24
74°
52°
25
73°
56°
26
74°
55°
27
72°
54°
28
72°
55°
29
67°
54°
30
65°
54°
1
66°
55°
2
65°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Frontenac
Frontenac's April 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 45° and 65°. The average high for April is 72° with an average low of 55°. 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. See also: May | June | July.
