S
M
T
W
T
F
S
31
63°
37°
1
62°
44°
2
73°
41°
3
79°
49°
4
82°
52°
5
82°
55°
6
62°
55°
7
75°
54°
8
76°
49°
9
85°
52°
10
86°
58°
11
83°
63°
12
76°
57°
13
86°
58°
14
81°
60°
15
80°
62°
16
76°
55°
17
76°
52°
18
64°
60°
19
76°
60°
20
75°
60°
21
75°
56°
22
73°
55°
23
71°
60°
24
79°
59°
25
74°
62°
26
72°
61°
27
76°
59°
28
78°
60°
29
81°
59°
30
79°
60°
1
80°
61°
2
81°
63°
3
76°
62°
4
75°
62°
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 81°, with overnight lows between 59° and 63°. The average high for June is 77° 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.
