S
M
T
W
T
F
S
26
73°
53°
27
83°
59°
28
84°
56°
29
84°
55°
30
78°
51°
31
75°
50°
1
76°
51°
2
76°
50°
3
75°
49°
4
76°
52°
5
78°
58°
6
80°
59°
7
78°
59°
8
83°
51°
9
79°
58°
10
80°
50°
11
75°
58°
12
78°
53°
13
80°
48°
14
74°
56°
15
78°
57°
16
79°
49°
17
76°
50°
18
77°
56°
19
79°
49°
20
78°
49°
21
74°
51°
22
74°
56°
23
79°
48°
24
79°
47°
25
71°
47°
26
70°
48°
27
70°
48°
28
69°
47°
29
70°
46°
30
72°
45°
31
70°
47°
1
70°
47°
2
69°
45°
3
68°
47°
4
70°
53°
5
72°
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 68° to 84°, with overnight lows between 45° and 59°. The average high for August is 76° with an average low of 51°. 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.
