S
M
T
W
T
F
S
26
102°
68°
27
91°
75°
28
89°
63°
29
87°
63°
30
96°
65°
31
90°
61°
1
95°
60°
2
101°
61°
3
104°
67°
4
87°
54°
5
84°
46°
6
96°
48°
7
95°
60°
8
101°
60°
9
98°
67°
10
97°
68°
11
95°
69°
12
95°
69°
13
79°
62°
14
82°
60°
15
80°
56°
16
85°
57°
17
93°
56°
18
89°
60°
19
90°
67°
20
90°
64°
21
95°
64°
22
87°
62°
23
88°
66°
24
88°
62°
25
87°
60°
26
85°
61°
27
86°
60°
28
89°
62°
29
85°
58°
30
89°
61°
31
85°
62°
1
87°
61°
2
82°
51°
3
77°
52°
4
85°
55°
5
85°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Leyden
Leyden's August 2026 forecast shows daily high temperatures ranging from 77° to 95°, with overnight lows between 51° and 66°. The average high for August is 86° with an average low of 60°. 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 Leyden. See also: September | October | November.