S
M
T
W
T
F
S
31
67°
42°
1
62°
43°
2
67°
58°
3
77°
47°
4
76°
49°
5
78°
62°
6
76°
65°
7
71°
57°
8
76°
54°
9
84°
69°
10
81°
70°
11
86°
70°
12
78°
63°
13
80°
59°
14
79°
58°
15
64°
54°
16
74°
60°
17
72°
64°
18
73°
60°
19
71°
58°
20
69°
55°
21
71°
61°
22
71°
61°
23
75°
61°
24
76°
62°
25
76°
63°
26
77°
64°
27
78°
65°
28
79°
65°
29
76°
62°
30
74°
58°
1
74°
59°
2
75°
66°
3
75°
62°
4
76°
61°
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 69° to 79°, with overnight lows between 55° and 66°. The average high for June is 74° with an average low of 61°. 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.
