S
M
T
W
T
F
S
26
97°
78°
27
100°
80°
28
99°
81°
29
100°
80°
30
101°
79°
31
100°
81°
1
104°
80°
2
102°
81°
3
101°
79°
4
99°
80°
5
96°
79°
6
98°
78°
7
98°
79°
8
99°
77°
9
98°
78°
10
99°
79°
11
99°
79°
12
98°
78°
13
99°
79°
14
98°
79°
15
97°
78°
16
98°
79°
17
99°
78°
18
99°
78°
19
98°
78°
20
99°
78°
21
98°
78°
22
99°
78°
23
98°
78°
24
98°
78°
25
97°
77°
26
98°
78°
27
98°
78°
28
97°
77°
29
95°
78°
30
95°
78°
31
96°
77°
1
94°
77°
2
96°
76°
3
96°
77°
4
95°
77°
5
96°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Donna
Donna's August 2026 forecast shows daily high temperatures ranging from 94° to 104°, with overnight lows between 76° and 81°. The average high for August is 98° with an average low of 78°. 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 Donna. See also: September | October | November.
