S
M
T
W
T
F
S
28
89°
71°
29
93°
78°
30
93°
79°
1
94°
76°
2
96°
78°
3
94°
76°
4
91°
72°
5
89°
73°
6
87°
74°
7
89°
70°
8
85°
68°
9
91°
72°
10
85°
73°
11
81°
70°
12
88°
70°
13
90°
71°
14
91°
73°
15
92°
71°
16
92°
73°
17
86°
71°
18
89°
72°
19
87°
70°
20
88°
69°
21
85°
67°
22
85°
68°
23
86°
68°
24
87°
69°
25
88°
70°
26
87°
72°
27
90°
73°
28
91°
74°
29
91°
74°
30
92°
75°
31
90°
74°
1
90°
75°
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 81° to 92°, with overnight lows between 67° and 75°. The average high for July is 88° 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 July weather will actually feel in Portland. See also: August | September | October.
