S
M
T
W
T
F
S
26
59°
37°
27
59°
40°
28
55°
37°
29
55°
38°
30
56°
38°
1
58°
39°
2
57°
33°
3
58°
34°
4
61°
41°
5
62°
41°
6
60°
42°
7
61°
38°
8
61°
36°
9
62°
43°
10
62°
47°
11
70°
46°
12
63°
46°
13
65°
48°
14
73°
46°
15
63°
41°
16
64°
39°
17
65°
48°
18
74°
50°
19
73°
40°
20
67°
40°
21
63°
41°
22
65°
42°
23
66°
41°
24
70°
50°
25
75°
52°
26
75°
51°
27
69°
51°
28
68°
50°
29
68°
46°
30
69°
51°
31
69°
53°
1
79°
53°
2
74°
48°
3
73°
53°
4
77°
51°
5
78°
50°
6
79°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Apalachin
South Apalachin's May 2026 forecast shows daily high temperatures ranging from 55° to 79°, with overnight lows between 33° and 53°. The average high for May is 66° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in South Apalachin. See also: June | July | August.