S
M
T
W
T
F
S
26
73°
50°
27
73°
52°
28
74°
51°
29
73°
51°
30
75°
52°
31
75°
54°
1
78°
60°
2
75°
59°
3
75°
57°
4
81°
53°
5
79°
57°
6
81°
61°
7
82°
60°
8
79°
62°
9
80°
59°
10
81°
52°
11
75°
53°
12
73°
52°
13
74°
51°
14
75°
58°
15
77°
54°
16
76°
48°
17
Hist. Avg.
79°
56°
18
Hist. Avg.
79°
56°
19
Hist. Avg.
79°
56°
20
Hist. Avg.
79°
56°
21
Hist. Avg.
79°
56°
22
Hist. Avg.
78°
56°
23
Hist. Avg.
78°
55°
24
Hist. Avg.
78°
55°
25
Hist. Avg.
78°
55°
26
Hist. Avg.
78°
55°
27
Hist. Avg.
78°
54°
28
Hist. Avg.
77°
54°
29
Hist. Avg.
77°
54°
30
Hist. Avg.
77°
54°
31
Hist. Avg.
76°
53°
1
Hist. Avg.
76°
53°
2
Hist. Avg.
76°
53°
3
Hist. Avg.
76°
52°
4
Hist. Avg.
75°
52°
5
Hist. Avg.
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Gresham
Gresham's August 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 48° and 62°. The average high for August is 77° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Gresham. See also: September | October | November.
