S
M
T
W
T
F
S
31
72°
43°
1
84°
47°
2
89°
54°
3
72°
56°
4
71°
54°
5
65°
54°
6
64°
50°
7
69°
46°
8
61°
52°
9
65°
52°
10
71°
52°
11
80°
48°
12
81°
54°
13
90°
57°
14
95°
64°
15
98°
64°
16
81°
57°
17
80°
52°
18
84°
54°
19
89°
60°
20
77°
57°
21
82°
53°
22
93°
58°
23
94°
62°
24
92°
63°
25
73°
54°
26
72°
54°
27
64°
54°
28
71°
54°
29
68°
53°
30
70°
52°
1
69°
51°
2
71°
54°
3
75°
54°
4
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in West Haven-Sylvan
West Haven-Sylvan's June 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 51° and 54°. The average high for June is 71° with an average low of 53°. 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 West Haven-Sylvan. See also: July | August | September.
