S
M
T
W
T
F
S
29
52°
20°
30
69°
29°
31
47°
34°
1
44°
30°
2
43°
27°
3
69°
38°
4
51°
36°
5
51°
36°
6
42°
28°
7
32°
22°
8
45°
17°
9
61°
40°
10
49°
38°
11
51°
30°
12
51°
43°
13
67°
50°
14
63°
49°
15
60°
49°
16
62°
46°
17
63°
44°
18
59°
38°
19
55°
40°
20
58°
41°
21
63°
43°
22
59°
46°
23
52°
35°
24
54°
37°
25
59°
42°
26
56°
42°
27
54°
38°
28
55°
39°
29
55°
35°
30
61°
43°
1
64°
44°
2
66°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in South Plattsburgh
South Plattsburgh's April 2026 forecast shows daily high temperatures ranging from 49° to 67°, with overnight lows between 30° and 50°. The average high for April is 58° 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 South Plattsburgh. See also: May | June | July.
