S
M
T
W
T
F
S
26
81°
54°
27
81°
52°
28
75°
61°
29
75°
54°
30
64°
46°
1
68°
41°
2
64°
41°
3
66°
36°
4
79°
41°
5
75°
52°
6
72°
54°
7
66°
45°
8
73°
39°
9
75°
48°
10
82°
50°
11
72°
46°
12
77°
43°
13
79°
54°
14
70°
43°
15
79°
39°
16
82°
55°
17
90°
57°
18
85°
68°
19
87°
65°
20
81°
66°
21
79°
66°
22
77°
66°
23
79°
62°
24
83°
62°
25
80°
63°
26
83°
64°
27
80°
63°
28
81°
61°
29
81°
60°
30
79°
59°
31
81°
57°
1
84°
62°
2
84°
62°
3
81°
61°
4
78°
58°
5
78°
57°
6
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Smithville
Smithville's May 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 57° and 68°. The average high for May is 81° with an average low of 62°. 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 Smithville. See also: June | July | August.
