S
M
T
W
T
F
S
26
91°
75°
27
88°
75°
28
91°
74°
29
92°
75°
30
92°
75°
31
90°
74°
1
86°
75°
2
87°
75°
3
88°
74°
4
91°
73°
5
90°
74°
6
91°
75°
7
89°
71°
8
92°
74°
9
91°
73°
10
92°
71°
11
90°
70°
12
92°
71°
13
92°
73°
14
91°
73°
15
90°
74°
16
92°
73°
17
89°
73°
18
90°
74°
19
89°
73°
20
91°
73°
21
87°
71°
22
86°
71°
23
89°
73°
24
91°
72°
25
92°
72°
26
91°
71°
27
90°
72°
28
89°
70°
29
88°
72°
30
89°
70°
31
86°
71°
1
85°
70°
2
85°
66°
3
86°
65°
4
84°
65°
5
84°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rosemary
Rosemary's August 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 65° and 75°. The average high for August is 89° with an average low of 72°. 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 Rosemary. See also: September | October | November.