S
M
T
W
T
F
S
31
76°
43°
1
80°
49°
2
77°
44°
3
84°
48°
4
86°
51°
5
78°
66°
6
83°
62°
7
80°
56°
8
86°
69°
9
82°
65°
10
89°
72°
11
87°
62°
12
78°
58°
13
78°
58°
14
72°
52°
15
70°
54°
16
71°
55°
17
74°
55°
18
74°
58°
19
76°
56°
20
74°
55°
21
72°
56°
22
74°
61°
23
74°
60°
24
78°
62°
25
76°
62°
26
75°
63°
27
80°
61°
28
74°
60°
29
74°
60°
30
77°
62°
1
77°
62°
2
76°
58°
3
77°
63°
4
76°
58°
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 70° to 89°, with overnight lows between 52° and 72°. The average high for June is 77° 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.
