S
M
T
W
T
F
S
26
58°
42°
27
69°
41°
28
69°
43°
29
65°
49°
30
62°
48°
1
65°
45°
2
59°
40°
3
60°
46°
4
69°
54°
5
79°
62°
6
71°
56°
7
64°
41°
8
63°
44°
9
61°
46°
10
64°
48°
11
67°
47°
12
67°
48°
13
64°
47°
14
66°
48°
15
69°
50°
16
75°
54°
17
76°
53°
18
76°
54°
19
75°
54°
20
75°
53°
21
74°
52°
22
73°
47°
23
68°
46°
24
67°
48°
25
68°
47°
26
69°
50°
27
69°
48°
28
70°
49°
29
69°
48°
30
69°
49°
31
71°
57°
1
75°
56°
2
72°
51°
3
72°
55°
4
77°
58°
5
74°
55°
6
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sparkill
Sparkill's May 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 40° and 62°. The average high for May is 70° with an average low of 51°. 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 Sparkill. See also: June | July | August.