S
M
T
W
T
F
S
26
52°
37°
27
66°
37°
28
67°
36°
29
61°
49°
30
66°
49°
1
65°
43°
2
61°
47°
3
59°
47°
4
71°
56°
5
76°
61°
6
69°
54°
7
56°
45°
8
64°
47°
9
64°
49°
10
66°
54°
11
69°
50°
12
67°
51°
13
67°
53°
14
66°
54°
15
68°
53°
16
69°
65°
17
72°
57°
18
72°
58°
19
71°
58°
20
72°
59°
21
71°
58°
22
71°
51°
23
66°
51°
24
64°
53°
25
66°
52°
26
67°
55°
27
67°
53°
28
68°
55°
29
67°
53°
30
67°
54°
31
69°
62°
1
74°
61°
2
70°
57°
3
70°
61°
4
74°
63°
5
73°
61°
6
72°
62°
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 56° to 76°, with overnight lows between 45° and 65°. The average high for May is 68° with an average low of 55°. 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.
