S
M
T
W
T
F
S
26
79°
62°
27
78°
62°
28
79°
61°
29
78°
62°
30
79°
63°
31
80°
63°
1
80°
62°
2
81°
61°
3
76°
60°
4
75°
61°
5
77°
61°
6
78°
62°
7
78°
61°
8
76°
60°
9
76°
60°
10
71°
56°
11
74°
54°
12
71°
53°
13
71°
54°
14
72°
54°
15
71°
55°
16
70°
55°
17
70°
59°
18
71°
53°
19
71°
56°
20
73°
53°
21
71°
53°
22
71°
58°
23
74°
59°
24
69°
58°
25
71°
55°
26
70°
53°
27
69°
58°
28
69°
57°
29
73°
58°
30
74°
58°
31
74°
57°
1
73°
58°
2
74°
58°
3
73°
55°
4
71°
50°
5
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hoeilaart
Hoeilaart's August 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 50° and 63°. The average high for August is 74° with an average low of 58°. 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 Hoeilaart. See also: September | October | November.