S
M
T
W
T
F
S
31
77°
61°
1
82°
62°
2
85°
62°
3
78°
57°
4
80°
53°
5
77°
58°
6
82°
63°
7
88°
64°
8
78°
58°
9
80°
60°
10
83°
59°
11
78°
55°
12
75°
55°
13
74°
54°
14
77°
53°
15
76°
54°
16
71°
52°
17
73°
56°
18
79°
58°
19
80°
59°
20
77°
60°
21
76°
60°
22
79°
59°
23
77°
54°
24
72°
56°
25
78°
60°
26
75°
58°
27
75°
59°
28
78°
60°
29
75°
60°
30
74°
59°
1
81°
61°
2
82°
60°
3
77°
58°
4
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Portland
Portland's June 2026 forecast shows daily high temperatures ranging from 71° to 88°, with overnight lows between 52° and 64°. The average high for June is 78° with an average low of 58°. 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 Portland. See also: July | August | September.
