S
M
T
W
T
F
S
31
80°
60°
1
82°
56°
2
86°
54°
3
84°
60°
4
88°
69°
5
84°
69°
6
83°
65°
7
85°
68°
8
86°
66°
9
85°
68°
10
83°
66°
11
84°
65°
12
84°
64°
13
81°
61°
14
80°
63°
15
82°
62°
16
75°
58°
17
76°
59°
18
77°
64°
19
77°
62°
20
78°
67°
21
78°
67°
22
80°
68°
23
81°
65°
24
82°
64°
25
82°
69°
26
87°
69°
27
82°
66°
28
80°
62°
29
79°
62°
30
80°
63°
1
82°
69°
2
83°
70°
3
83°
69°
4
80°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Port Byron
Port Byron's June 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 54° and 70°. The average high for June is 82° with an average low of 65°. 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 Port Byron. See also: July | August | September.
