S
M
T
W
T
F
S
26
86°
66°
27
87°
70°
28
90°
65°
29
89°
70°
30
87°
72°
31
90°
67°
1
90°
65°
2
86°
71°
3
89°
70°
4
91°
67°
5
87°
70°
6
84°
65°
7
85°
64°
8
82°
64°
9
84°
65°
10
86°
64°
11
84°
65°
12
83°
66°
13
83°
67°
14
84°
65°
15
84°
70°
16
88°
70°
17
88°
69°
18
87°
63°
19
85°
63°
20
83°
64°
21
85°
68°
22
87°
68°
23
88°
70°
24
89°
69°
25
88°
68°
26
88°
67°
27
86°
64°
28
86°
64°
29
86°
67°
30
87°
67°
31
88°
63°
1
Hist. Avg.
85°
64°
2
Hist. Avg.
85°
64°
3
Hist. Avg.
85°
64°
4
Hist. Avg.
84°
63°
5
Hist. Avg.
84°
63°
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 82° to 91°, with overnight lows between 63° and 72°. The average high for August is 86° with an average low of 67°. 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.
