S
M
T
W
T
F
S
28
59°
48°
29
60°
50°
30
61°
51°
1
60°
49°
2
60°
50°
3
57°
48°
4
57°
50°
5
60°
50°
6
57°
49°
7
56°
49°
8
58°
50°
9
58°
50°
10
59°
49°
11
59°
49°
12
60°
50°
13
56°
50°
14
57°
49°
15
57°
50°
16
58°
50°
17
60°
51°
18
58°
50°
19
59°
51°
20
59°
50°
21
57°
50°
22
60°
51°
23
61°
51°
24
60°
50°
25
59°
49°
26
60°
50°
27
57°
50°
28
60°
50°
29
60°
46°
30
58°
45°
31
59°
44°
1
61°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Portland
Portland's July 2026 forecast shows daily high temperatures ranging from 56° to 61°, with overnight lows between 44° and 51°. The average high for July is 59° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Portland. See also: August | September | October.
