S
M
T
W
T
F
S
26
83°
67°
27
89°
64°
28
82°
68°
29
79°
34°
30
82°
54°
31
86°
63°
1
77°
68°
2
79°
68°
3
83°
65°
4
84°
55°
5
84°
66°
6
86°
66°
7
84°
66°
8
86°
68°
9
86°
66°
10
88°
68°
11
N/A
12
82°
67°
13
83°
70°
14
81°
62°
15
85°
66°
16
90°
68°
17
81°
60°
18
80°
61°
19
81°
62°
20
82°
64°
21
84°
64°
22
84°
63°
23
79°
61°
24
80°
60°
25
78°
59°
26
79°
58°
27
83°
62°
28
77°
54°
29
78°
55°
30
81°
58°
31
83°
61°
1
85°
62°
2
85°
62°
3
84°
61°
4
84°
61°
5
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Adelphi
Adelphi's August 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 54° and 70°. The average high for August is 82° with an average low of 62°. 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 Adelphi. See also: September | October | November.
