S
M
T
W
T
F
S
26
80°
59°
27
85°
57°
28
64°
48°
29
64°
45°
30
66°
40°
1
64°
44°
2
63°
40°
3
78°
41°
4
79°
61°
5
65°
44°
6
60°
41°
7
65°
48°
8
76°
53°
9
80°
60°
10
67°
45°
11
69°
48°
12
78°
50°
13
78°
55°
14
77°
56°
15
75°
55°
16
74°
52°
17
71°
50°
18
74°
54°
19
75°
51°
20
70°
55°
21
73°
54°
22
70°
53°
23
69°
55°
24
71°
56°
25
71°
56°
26
72°
55°
27
71°
55°
28
72°
53°
29
72°
52°
30
75°
56°
31
75°
55°
1
79°
58°
2
80°
57°
3
79°
58°
4
80°
59°
5
79°
60°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sparta
Sparta's May 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 41° and 60°. The average high for May is 74° with an average low of 54°. 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 Sparta. See also: June | July | August.