S
M
T
W
T
F
S
29
37°
24°
30
36°
33°
31
40°
27°
1
41°
21°
2
40°
26°
3
40°
27°
4
34°
29°
5
37°
27°
6
42°
20°
7
42°
36°
8
47°
35°
9
48°
33°
10
47°
30°
11
44°
27°
12
41°
33°
13
45°
31°
14
47°
34°
15
46°
31°
16
53°
31°
17
45°
28°
18
47°
31°
19
53°
41°
20
46°
39°
21
52°
34°
22
46°
36°
23
45°
34°
24
43°
35°
25
41°
31°
26
38°
32°
27
41°
30°
28
40°
33°
29
41°
31°
30
38°
32°
1
41°
31°
2
40°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Port William
Port William's April 2026 forecast shows daily high temperatures ranging from 38° to 52°, with overnight lows between 30° and 39°. The average high for April is 42° with an average low of 33°. 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 Port William. See also: May | June | July.
