S
M
T
W
T
F
S
31
57°
46°
1
54°
45°
2
60°
53°
3
56°
50°
4
55°
48°
5
58°
42°
6
62°
47°
7
60°
52°
8
60°
45°
9
64°
47°
10
62°
49°
11
62°
53°
12
68°
61°
13
64°
49°
14
59°
46°
15
61°
56°
16
63°
58°
17
61°
48°
18
60°
48°
19
59°
46°
20
55°
44°
21
57°
45°
22
58°
46°
23
58°
46°
24
61°
48°
25
61°
52°
26
61°
51°
27
60°
51°
28
61°
50°
29
61°
51°
30
58°
51°
1
56°
50°
2
58°
50°
3
57°
48°
4
57°
50°
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 55° to 68°, with overnight lows between 44° and 61°. The average high for June is 60° with an average low of 50°. 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.
