S
M
T
W
T
F
S
26
96°
77°
27
95°
73°
28
97°
76°
29
98°
78°
30
98°
77°
31
97°
77°
1
98°
76°
2
98°
77°
3
99°
78°
4
99°
78°
5
98°
77°
6
98°
78°
7
97°
78°
8
97°
76°
9
98°
77°
10
98°
77°
11
97°
76°
12
97°
77°
13
96°
77°
14
97°
76°
15
95°
75°
16
93°
71°
17
94°
74°
18
96°
75°
19
96°
75°
20
95°
74°
21
96°
76°
22
96°
75°
23
95°
75°
24
96°
71°
25
95°
73°
26
96°
72°
27
91°
71°
28
92°
69°
29
89°
67°
30
88°
69°
31
90°
72°
1
88°
71°
2
88°
65°
3
87°
63°
4
85°
63°
5
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Old Diana
Old Diana's August 2026 forecast shows daily high temperatures ranging from 85° to 99°, with overnight lows between 63° and 78°. The average high for August is 95° 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 Old Diana. See also: September | October | November.