S
M
T
W
T
F
S
28
87°
73°
29
92°
71°
30
87°
73°
1
92°
74°
2
93°
73°
3
91°
72°
4
93°
72°
5
91°
71°
6
88°
71°
7
87°
72°
8
87°
72°
9
88°
71°
10
91°
70°
11
88°
70°
12
88°
71°
13
92°
70°
14
89°
70°
15
92°
74°
16
93°
71°
17
92°
72°
18
92°
73°
19
93°
74°
20
92°
71°
21
93°
72°
22
91°
73°
23
91°
74°
24
93°
74°
25
89°
72°
26
93°
69°
27
88°
69°
28
88°
70°
29
89°
70°
30
94°
71°
31
94°
71°
1
93°
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 87° to 94°, with overnight lows between 69° and 74°. The average high for July is 91° with an average low of 72°. 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.
