S
M
T
W
T
F
S
26
63°
37°
27
66°
34°
28
70°
42°
29
65°
44°
30
59°
37°
1
69°
38°
2
79°
40°
3
78°
46°
4
73°
49°
5
72°
50°
6
69°
47°
7
54°
45°
8
65°
40°
9
70°
44°
10
77°
46°
11
63°
42°
12
51°
38°
13
57°
37°
14
61°
39°
15
55°
39°
16
57°
36°
17
62°
40°
18
64°
45°
19
64°
50°
20
67°
49°
21
71°
49°
22
75°
51°
23
75°
52°
24
74°
52°
25
75°
53°
26
74°
52°
27
61°
45°
28
62°
46°
29
64°
48°
30
63°
47°
31
64°
46°
1
65°
48°
2
67°
50°
3
72°
53°
4
74°
54°
5
75°
55°
6
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Spalt
Spalt's May 2026 forecast shows daily high temperatures ranging from 55° to 75°, with overnight lows between 36° and 56°. The average high for May is 67° with an average low of 48°. 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 Spalt. See also: June | July | August.