S
M
T
W
T
F
S
29
36°
17°
30
53°
26°
31
35°
30°
1
33°
26°
2
38°
22°
3
49°
32°
4
40°
29°
5
45°
27°
6
33°
16°
7
29°
14°
8
38°
24°
9
57°
37°
10
52°
30°
11
48°
29°
12
51°
39°
13
53°
36°
14
51°
32°
15
51°
33°
16
48°
32°
17
49°
33°
18
52°
27°
19
51°
32°
20
46°
33°
21
53°
32°
22
52°
32°
23
50°
34°
24
51°
31°
25
55°
27°
26
44°
26°
27
46°
27°
28
46°
27°
29
47°
30°
30
48°
27°
1
50°
30°
2
48°
29°
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 29° to 57°, with overnight lows between 14° and 39°. The average high for April is 48° with an average low of 30°. 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.
