S
M
T
W
T
F
S
26
74°
58°
27
78°
61°
28
79°
58°
29
75°
57°
30
75°
59°
31
76°
60°
1
75°
54°
2
76°
55°
3
75°
54°
4
76°
53°
5
75°
52°
6
75°
55°
7
77°
58°
8
80°
62°
9
80°
56°
10
79°
54°
11
75°
54°
12
74°
55°
13
74°
58°
14
75°
57°
15
74°
56°
16
74°
56°
17
75°
55°
18
73°
53°
19
75°
57°
20
79°
60°
21
80°
60°
22
80°
59°
23
79°
60°
24
77°
56°
25
76°
57°
26
78°
58°
27
72°
52°
28
74°
57°
29
75°
55°
30
76°
56°
31
75°
55°
1
76°
51°
2
71°
49°
3
70°
50°
4
74°
57°
5
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Trier
Trier's August 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 49° and 62°. The average high for August is 76° with an average low of 56°. 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 Trier. See also: September | October | November.