S
M
T
W
T
F
S
26
77°
43°
27
72°
41°
28
67°
43°
29
73°
49°
30
68°
45°
1
68°
46°
2
69°
44°
3
71°
52°
4
69°
53°
5
75°
53°
6
78°
52°
7
79°
54°
8
77°
53°
9
79°
51°
10
80°
55°
11
81°
56°
12
82°
57°
13
77°
56°
14
73°
55°
15
76°
54°
16
73°
56°
17
76°
51°
18
74°
50°
19
74°
49°
20
76°
50°
21
81°
57°
22
82°
56°
23
83°
50°
24
78°
50°
25
75°
51°
26
76°
51°
27
76°
53°
28
80°
60°
29
79°
57°
30
85°
59°
31
85°
56°
1
84°
57°
2
79°
53°
3
79°
53°
4
78°
54°
5
82°
55°
6
86°
61°
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 67° to 86°, with overnight lows between 41° and 61°. The average high for May is 77° 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.
