S
M
T
W
T
F
S
26
58°
30°
27
70°
30°
28
68°
57°
29
60°
48°
30
48°
40°
1
53°
29°
2
46°
34°
3
52°
37°
4
70°
46°
5
70°
45°
6
49°
43°
7
51°
38°
8
52°
34°
9
65°
38°
10
53°
42°
11
54°
29°
12
55°
29°
13
67°
46°
14
52°
44°
15
58°
46°
16
76°
39°
17
74°
55°
18
87°
69°
19
82°
56°
20
61°
40°
21
58°
37°
22
64°
49°
23
57°
48°
24
61°
49°
25
66°
53°
26
67°
52°
27
69°
52°
28
71°
54°
29
69°
53°
30
68°
54°
31
71°
48°
1
67°
49°
2
67°
53°
3
65°
53°
4
67°
54°
5
66°
54°
6
70°
53°
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 57° to 87°, with overnight lows between 37° and 69°. The average high for May is 68° with an average low of 52°. 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.
