S
M
T
W
T
F
S
31
82°
62°
1
80°
64°
2
80°
57°
3
81°
53°
4
84°
57°
5
85°
59°
6
87°
67°
7
83°
71°
8
81°
70°
9
80°
71°
10
87°
73°
11
90°
73°
12
87°
71°
13
88°
72°
14
86°
67°
15
84°
67°
16
84°
69°
17
83°
69°
18
86°
70°
19
88°
66°
20
83°
69°
21
84°
68°
22
83°
70°
23
83°
70°
24
84°
69°
25
86°
70°
26
85°
70°
27
82°
69°
28
83°
69°
29
84°
67°
30
85°
70°
1
86°
71°
2
84°
71°
3
83°
70°
4
85°
66°
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 80° to 90°, with overnight lows between 66° and 73°. The average high for June is 85° with an average low of 69°. 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.
