S
M
T
W
T
F
S
31
93°
77°
1
93°
79°
2
91°
77°
3
89°
75°
4
90°
78°
5
88°
78°
6
88°
80°
7
89°
79°
8
90°
79°
9
91°
75°
10
90°
78°
11
89°
77°
12
91°
78°
13
92°
79°
14
89°
77°
15
90°
78°
16
88°
78°
17
89°
77°
18
87°
76°
19
86°
76°
20
87°
78°
21
88°
77°
22
87°
77°
23
88°
76°
24
88°
76°
25
89°
77°
26
87°
78°
27
88°
78°
28
88°
79°
29
89°
79°
30
90°
78°
1
89°
78°
2
88°
77°
3
89°
79°
4
89°
79°
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 86° to 92°, with overnight lows between 75° and 80°. The average high for June is 89° with an average low of 78°. 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.
