S
M
T
W
T
F
S
26
79°
63°
27
81°
59°
28
84°
64°
29
93°
63°
30
82°
63°
31
77°
63°
1
80°
55°
2
83°
59°
3
91°
61°
4
83°
63°
5
80°
57°
6
77°
55°
7
79°
59°
8
74°
56°
9
76°
57°
10
78°
59°
11
79°
59°
12
79°
60°
13
78°
59°
14
76°
57°
15
72°
56°
16
73°
55°
17
71°
55°
18
69°
54°
19
68°
50°
20
68°
50°
21
67°
49°
22
67°
49°
23
68°
50°
24
72°
54°
25
73°
55°
26
72°
53°
27
72°
52°
28
71°
54°
29
72°
52°
30
73°
53°
31
73°
54°
1
71°
52°
2
69°
49°
3
66°
48°
4
67°
48°
5
68°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Slough
Slough's August 2026 forecast shows daily high temperatures ranging from 66° to 91°, with overnight lows between 47° and 63°. The average high for August is 74° with an average low of 54°. 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 Slough. See also: September | October | November.
