S
M
T
W
T
F
S
31
72°
45°
1
84°
49°
2
89°
50°
3
73°
58°
4
70°
55°
5
66°
54°
6
65°
50°
7
67°
52°
8
60°
55°
9
66°
50°
10
66°
49°
11
77°
51°
12
78°
55°
13
89°
60°
14
96°
61°
15
94°
62°
16
89°
61°
17
88°
61°
18
82°
58°
19
82°
57°
20
74°
55°
21
76°
58°
22
69°
57°
23
71°
54°
24
76°
57°
25
78°
55°
26
76°
55°
27
78°
56°
28
78°
54°
29
74°
54°
30
71°
55°
1
72°
54°
2
80°
60°
3
73°
59°
4
77°
57°
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 60° to 96°, with overnight lows between 49° and 62°. The average high for June is 77° with an average low of 56°. 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.
