S
M
T
W
T
F
S
26
56°
41°
27
70°
36°
28
63°
44°
29
62°
50°
30
71°
47°
1
67°
40°
2
62°
49°
3
63°
43°
4
80°
45°
5
89°
58°
6
71°
60°
7
62°
50°
8
73°
42°
9
76°
52°
10
87°
49°
11
62°
47°
12
71°
40°
13
78°
55°
14
64°
53°
15
72°
52°
16
87°
51°
17
88°
58°
18
91°
70°
19
93°
72°
20
90°
61°
21
65°
56°
22
63°
57°
23
72°
60°
24
75°
60°
25
76°
59°
26
79°
60°
27
78°
59°
28
77°
58°
29
80°
59°
30
78°
57°
31
80°
58°
1
81°
61°
2
77°
62°
3
75°
62°
4
78°
61°
5
76°
59°
6
77°
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 63° to 93°, with overnight lows between 56° and 72°. The average high for May is 78° with an average low of 61°. 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.
