S
M
T
W
T
F
S
26
96°
73°
27
96°
74°
28
87°
70°
29
87°
64°
30
82°
66°
31
76°
62°
1
82°
64°
2
84°
61°
3
83°
60°
4
74°
63°
5
70°
60°
6
79°
63°
7
84°
59°
8
83°
68°
9
86°
68°
10
88°
68°
11
84°
66°
12
84°
66°
13
79°
63°
14
77°
61°
15
77°
61°
16
79°
62°
17
79°
61°
18
78°
60°
19
83°
60°
20
87°
66°
21
88°
67°
22
89°
66°
23
87°
66°
24
86°
65°
25
87°
64°
26
81°
63°
27
85°
63°
28
86°
62°
29
85°
64°
30
86°
64°
31
87°
64°
1
86°
63°
2
87°
65°
3
87°
65°
4
86°
64°
5
86°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Menlo
Menlo's August 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 59° and 68°. The average high for August is 84° with an average low of 64°. 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 Menlo. See also: September | October | November.