S
M
T
W
T
F
S
26
81°
62°
27
83°
54°
28
80°
58°
29
83°
54°
30
83°
54°
31
90°
55°
1
77°
60°
2
73°
54°
3
84°
49°
4
90°
53°
5
91°
56°
6
95°
58°
7
93°
61°
8
90°
57°
9
87°
54°
10
83°
53°
11
86°
55°
12
80°
57°
13
87°
59°
14
87°
57°
15
86°
58°
16
86°
59°
17
86°
56°
18
81°
56°
19
79°
57°
20
81°
56°
21
83°
57°
22
86°
58°
23
84°
55°
24
83°
56°
25
79°
53°
26
81°
57°
27
78°
56°
28
75°
50°
29
76°
49°
30
77°
52°
31
81°
55°
1
80°
56°
2
81°
54°
3
81°
53°
4
78°
52°
5
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tualatin
Tualatin's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 49° and 59°. The average high for August is 81° 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 Tualatin. See also: September | October | November.
