S
M
T
W
T
F
S
28
92°
73°
29
92°
74°
30
91°
73°
1
92°
70°
2
88°
75°
3
92°
74°
4
92°
74°
5
91°
71°
6
92°
72°
7
91°
74°
8
93°
74°
9
93°
71°
10
89°
70°
11
88°
72°
12
90°
71°
13
89°
75°
14
93°
74°
15
92°
76°
16
93°
76°
17
93°
75°
18
92°
75°
19
93°
74°
20
93°
74°
21
92°
73°
22
89°
73°
23
89°
74°
24
90°
75°
25
94°
75°
26
93°
74°
27
93°
70°
28
90°
69°
29
89°
70°
30
94°
76°
31
95°
75°
1
94°
74°
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 88° to 95°, with overnight lows between 69° and 76°. The average high for July is 92° with an average low of 73°. 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.
