S
M
T
W
T
F
S
31
77°
47°
1
74°
50°
2
76°
48°
3
80°
55°
4
83°
62°
5
83°
64°
6
82°
64°
7
81°
63°
8
80°
62°
9
79°
63°
10
81°
60°
11
83°
61°
12
81°
58°
13
81°
60°
14
80°
59°
15
76°
56°
16
73°
55°
17
74°
55°
18
75°
57°
19
76°
59°
20
76°
63°
21
77°
63°
22
79°
64°
23
78°
63°
24
78°
63°
25
79°
64°
26
83°
65°
27
82°
64°
28
79°
61°
29
78°
58°
30
79°
59°
1
78°
58°
2
79°
60°
3
81°
65°
4
79°
59°
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 73° to 83°, with overnight lows between 48° and 65°. The average high for June is 79° with an average low of 60°. 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.
