S
M
T
W
T
F
S
26
78°
60°
27
85°
72°
28
79°
62°
29
66°
55°
30
63°
46°
1
69°
46°
2
71°
39°
3
79°
40°
4
77°
56°
5
77°
61°
6
60°
49°
7
71°
43°
8
76°
44°
9
83°
55°
10
75°
62°
11
75°
48°
12
80°
43°
13
84°
48°
14
80°
52°
15
87°
67°
16
83°
71°
17
83°
71°
18
84°
75°
19
76°
61°
20
77°
59°
21
74°
64°
22
79°
61°
23
74°
62°
24
82°
62°
25
83°
60°
26
82°
62°
27
79°
64°
28
77°
65°
29
85°
67°
30
88°
65°
31
92°
70°
1
96°
70°
2
91°
64°
3
87°
62°
4
87°
67°
5
82°
69°
6
78°
69°
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 78° to 96°, with overnight lows between 62° and 70°. The average high for May is 88° with an average low of 67°. 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.
