S
M
T
W
T
F
S
26
84°
63°
27
84°
64°
28
83°
63°
29
83°
62°
30
79°
59°
31
75°
57°
1
75°
56°
2
76°
56°
3
76°
62°
4
77°
62°
5
79°
60°
6
80°
63°
7
77°
62°
8
78°
60°
9
77°
59°
10
77°
53°
11
77°
57°
12
81°
60°
13
83°
61°
14
85°
62°
15
82°
58°
16
78°
62°
17
85°
60°
18
81°
53°
19
76°
53°
20
74°
52°
21
75°
51°
22
75°
51°
23
76°
52°
24
76°
51°
25
78°
51°
26
79°
54°
27
81°
58°
28
81°
53°
29
76°
57°
30
74°
54°
31
79°
51°
1
81°
48°
2
74°
47°
3
73°
50°
4
77°
57°
5
78°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Belgium
Belgium's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 47° and 64°. The average high for August is 78° with an average low of 57°. 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 Belgium. See also: September | October | November.
