S
M
T
W
T
F
S
31
70°
31°
1
64°
39°
2
72°
50°
3
77°
52°
4
77°
57°
5
82°
63°
6
88°
63°
7
76°
59°
8
73°
60°
9
74°
61°
10
78°
60°
11
77°
61°
12
81°
62°
13
78°
63°
14
81°
60°
15
76°
56°
16
73°
56°
17
73°
57°
18
75°
59°
19
76°
60°
20
77°
59°
21
76°
59°
22
75°
60°
23
75°
63°
24
76°
65°
25
77°
62°
26
76°
60°
27
77°
66°
28
83°
67°
29
79°
65°
30
78°
62°
1
77°
62°
2
77°
64°
3
79°
68°
4
82°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Riverhead
Riverhead's June 2026 forecast shows daily high temperatures ranging from 64° to 88°, with overnight lows between 39° and 68°. The average high for June is 77° 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 Riverhead. See also: July | August | September.
