S
M
T
W
T
F
S
26
91°
71°
27
94°
67°
28
90°
66°
29
91°
67°
30
95°
70°
31
91°
71°
1
90°
72°
2
95°
69°
3
93°
68°
4
90°
67°
5
91°
68°
6
90°
69°
7
92°
70°
8
92°
69°
9
91°
70°
10
93°
70°
11
95°
72°
12
94°
71°
13
93°
71°
14
96°
70°
15
95°
72°
16
96°
70°
17
93°
70°
18
92°
71°
19
95°
70°
20
95°
65°
21
93°
65°
22
90°
66°
23
92°
67°
24
95°
68°
25
94°
71°
26
95°
69°
27
94°
71°
28
94°
70°
29
93°
69°
30
91°
69°
31
91°
68°
1
93°
69°
2
92°
69°
3
89°
68°
4
87°
66°
5
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Magnolia
Magnolia's August 2026 forecast shows daily high temperatures ranging from 87° to 96°, with overnight lows between 63° and 72°. The average high for August is 92° with an average low of 69°. 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 Magnolia. See also: September | October | November.