S
M
T
W
T
F
S
26
83°
69°
27
84°
74°
28
87°
79°
29
94°
73°
30
92°
74°
31
91°
73°
1
92°
72°
2
89°
74°
3
91°
73°
4
92°
74°
5
91°
74°
6
92°
74°
7
89°
75°
8
90°
75°
9
89°
74°
10
89°
74°
11
90°
74°
12
89°
74°
13
89°
75°
14
90°
74°
15
88°
75°
16
88°
75°
17
89°
74°
18
87°
74°
19
88°
73°
20
87°
74°
21
88°
74°
22
87°
73°
23
88°
74°
24
87°
74°
25
87°
73°
26
88°
74°
27
89°
74°
28
88°
73°
29
87°
74°
30
86°
74°
31
86°
72°
1
87°
74°
2
86°
73°
3
87°
74°
4
89°
73°
5
90°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Atlantic
Atlantic's August 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 69° and 79°. The average high for August is 89° with an average low of 74°. 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 Atlantic. See also: September | October | November.