S
M
T
W
T
F
S
31
81°
65°
1
81°
66°
2
82°
67°
3
84°
69°
4
83°
70°
5
81°
70°
6
83°
69°
7
83°
70°
8
85°
71°
9
86°
71°
10
85°
70°
11
86°
71°
12
85°
72°
13
85°
72°
14
84°
71°
15
85°
69°
16
84°
67°
17
85°
69°
18
86°
70°
19
87°
69°
20
91°
71°
21
92°
73°
22
87°
72°
23
92°
73°
24
89°
72°
25
88°
73°
26
87°
69°
27
91°
69°
28
92°
73°
29
92°
74°
30
91°
73°
1
92°
70°
2
88°
75°
3
92°
74°
4
92°
74°
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 81° to 92°, with overnight lows between 65° and 75°. The average high for June is 87° with an average low of 71°. 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.
