S
M
T
W
T
F
S
26
79°
62°
27
85°
65°
28
81°
68°
29
78°
65°
30
81°
59°
31
84°
60°
1
84°
69°
2
77°
66°
3
78°
60°
4
83°
67°
5
85°
68°
6
87°
69°
7
87°
68°
8
85°
68°
9
87°
69°
10
84°
67°
11
82°
65°
12
79°
64°
13
81°
62°
14
80°
60°
15
78°
59°
16
78°
58°
17
86°
66°
18
85°
65°
19
85°
65°
20
82°
63°
21
81°
59°
22
84°
65°
23
86°
65°
24
86°
64°
25
82°
65°
26
84°
65°
27
83°
64°
28
84°
63°
29
81°
64°
30
80°
63°
31
81°
63°
1
83°
60°
2
75°
56°
3
75°
55°
4
76°
56°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plum
Plum's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 55° and 69°. The average high for August is 82° with an average low of 63°. 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 Plum. See also: September | October | November.