S
M
T
W
T
F
S
26
79°
56°
27
80°
56°
28
61°
50°
29
60°
45°
30
66°
41°
1
64°
38°
2
63°
41°
3
79°
44°
4
80°
59°
5
71°
44°
6
59°
41°
7
67°
41°
8
68°
53°
9
81°
53°
10
67°
50°
11
77°
46°
12
79°
56°
13
78°
54°
14
77°
48°
15
82°
64°
16
86°
64°
17
85°
67°
18
76°
63°
19
65°
53°
20
64°
51°
21
68°
58°
22
69°
60°
23
77°
58°
24
79°
60°
25
81°
55°
26
80°
56°
27
83°
64°
28
82°
66°
29
76°
63°
30
81°
64°
31
81°
64°
1
83°
58°
2
81°
63°
3
82°
61°
4
83°
64°
5
85°
63°
6
88°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Smithton
Smithton's May 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 58° and 66°. The average high for May is 82° with an average low of 63°. 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 Smithton. See also: June | July | August.