S
M
T
W
T
F
S
26
88°
73°
27
90°
67°
28
93°
75°
29
84°
68°
30
84°
61°
31
88°
61°
1
81°
72°
2
82°
70°
3
81°
70°
4
88°
66°
5
88°
72°
6
90°
73°
7
90°
73°
8
91°
72°
9
88°
71°
10
91°
68°
11
91°
70°
12
84°
66°
13
90°
67°
14
92°
74°
15
93°
73°
16
93°
74°
17
90°
73°
18
85°
69°
19
83°
63°
20
83°
66°
21
88°
72°
22
86°
68°
23
82°
61°
24
82°
57°
25
86°
60°
26
88°
66°
27
88°
66°
28
87°
65°
29
88°
66°
30
92°
68°
31
87°
69°
1
87°
63°
2
83°
61°
3
82°
61°
4
87°
65°
5
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Delta
Delta's August 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 60° and 69°. The average high for August is 87° with an average low of 65°. 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 Delta. See also: September | October | November.