S
M
T
W
T
F
S
31
64°
36°
1
68°
41°
2
70°
45°
3
72°
48°
4
68°
46°
5
72°
46°
6
73°
50°
7
70°
46°
8
78°
54°
9
78°
49°
10
77°
50°
11
78°
52°
12
82°
59°
13
77°
57°
14
74°
57°
15
73°
58°
16
74°
60°
17
73°
61°
18
72°
61°
19
75°
59°
20
76°
60°
21
74°
48°
22
76°
52°
23
78°
52°
24
79°
53°
25
79°
53°
26
77°
52°
27
78°
53°
28
77°
54°
29
75°
51°
30
79°
54°
1
79°
54°
2
80°
55°
3
81°
54°
4
81°
54°
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 72° to 82°, with overnight lows between 48° and 61°. The average high for June is 77° with an average low of 55°. 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.
