S
M
T
W
T
F
S
26
85°
66°
27
83°
65°
28
81°
63°
29
80°
65°
30
82°
66°
31
86°
66°
1
84°
65°
2
83°
64°
3
88°
65°
4
86°
64°
5
81°
63°
6
84°
61°
7
81°
58°
8
82°
59°
9
81°
57°
10
81°
58°
11
84°
64°
12
87°
65°
13
87°
63°
14
86°
58°
15
81°
62°
16
81°
64°
17
82°
57°
18
81°
59°
19
81°
57°
20
82°
60°
21
83°
63°
22
86°
62°
23
87°
61°
24
86°
62°
25
87°
61°
26
88°
62°
27
86°
61°
28
85°
62°
29
85°
62°
30
84°
56°
31
81°
53°
1
78°
52°
2
77°
53°
3
77°
54°
4
78°
53°
5
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Adelphi
Adelphi's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 52° and 66°. The average high for August is 83° with an average low of 61°. 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.
