S
M
T
W
T
F
S
26
93°
56°
27
91°
55°
28
89°
56°
29
90°
54°
30
91°
56°
31
97°
56°
1
91°
49°
2
87°
50°
3
93°
52°
4
98°
54°
5
99°
57°
6
99°
56°
7
97°
55°
8
98°
54°
9
91°
53°
10
91°
55°
11
93°
57°
12
93°
57°
13
92°
56°
14
92°
54°
15
89°
56°
16
91°
53°
17
89°
54°
18
91°
55°
19
92°
56°
20
92°
56°
21
91°
53°
22
86°
54°
23
85°
52°
24
84°
52°
25
85°
51°
26
83°
50°
27
83°
52°
28
85°
54°
29
84°
54°
30
82°
53°
31
82°
51°
1
85°
51°
2
84°
50°
3
83°
51°
4
83°
50°
5
82°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Trail
Trail's August 2026 forecast shows daily high temperatures ranging from 82° to 99°, with overnight lows between 49° and 57°. The average high for August is 89° with an average low of 53°. 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 Trail. See also: September | October | November.
