S
M
T
W
T
F
S
31
70°
57°
1
74°
55°
2
72°
51°
3
71°
55°
4
76°
58°
5
74°
56°
6
73°
58°
7
78°
60°
8
74°
61°
9
80°
61°
10
80°
60°
11
81°
61°
12
76°
61°
13
82°
58°
14
74°
56°
15
82°
63°
16
84°
63°
17
83°
63°
18
84°
64°
19
85°
59°
20
84°
56°
21
82°
57°
22
80°
61°
23
77°
56°
24
79°
57°
25
81°
57°
26
79°
58°
27
85°
58°
28
80°
61°
29
80°
60°
30
78°
62°
1
86°
59°
2
86°
66°
3
85°
61°
4
82°
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 86°, with overnight lows between 51° and 66°. The average high for June is 79° with an average low of 59°. 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.
