S
M
T
W
T
F
S
26
81°
58°
27
84°
63°
28
80°
65°
29
81°
66°
30
78°
64°
31
84°
64°
1
86°
71°
2
83°
72°
3
82°
71°
4
83°
68°
5
81°
72°
6
85°
67°
7
86°
69°
8
88°
67°
9
87°
66°
10
87°
65°
11
83°
63°
12
82°
62°
13
81°
64°
14
79°
63°
15
80°
61°
16
78°
60°
17
85°
62°
18
83°
60°
19
82°
66°
20
84°
63°
21
82°
60°
22
80°
64°
23
85°
67°
24
86°
67°
25
85°
66°
26
84°
65°
27
77°
65°
28
77°
66°
29
82°
64°
30
83°
65°
31
83°
65°
1
82°
60°
2
75°
57°
3
74°
57°
4
75°
56°
5
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Elmsford
Elmsford's August 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 56° and 72°. The average high for August is 82° 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 Elmsford. See also: September | October | November.