S
M
T
W
T
F
S
31
68°
54°
1
67°
53°
2
70°
52°
3
71°
58°
4
78°
60°
5
78°
60°
6
72°
59°
7
74°
54°
8
77°
58°
9
71°
56°
10
78°
55°
11
78°
62°
12
76°
61°
13
80°
56°
14
73°
55°
15
74°
55°
16
74°
58°
17
75°
63°
18
73°
57°
19
75°
58°
20
76°
59°
21
79°
62°
22
77°
65°
23
76°
64°
24
79°
64°
25
77°
62°
26
83°
61°
27
83°
64°
28
82°
66°
29
81°
64°
30
77°
62°
1
83°
67°
2
84°
59°
3
80°
59°
4
78°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Smithtown Town
Smithtown Town's June 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 52° and 67°. The average high for June is 76° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Smithtown Town. See also: July | August | September.
