S
M
T
W
T
F
S
26
95°
70°
27
91°
75°
28
91°
72°
29
91°
69°
30
87°
69°
31
69°
61°
1
83°
62°
2
84°
61°
3
86°
66°
4
73°
57°
5
78°
52°
6
82°
52°
7
76°
60°
8
80°
54°
9
84°
63°
10
81°
65°
11
84°
67°
12
84°
69°
13
79°
67°
14
77°
65°
15
82°
67°
16
79°
62°
17
85°
58°
18
82°
62°
19
78°
55°
20
83°
58°
21
79°
62°
22
79°
59°
23
79°
50°
24
82°
58°
25
88°
62°
26
80°
55°
27
80°
51°
28
84°
64°
29
85°
69°
30
91°
65°
31
86°
60°
1
86°
64°
2
84°
64°
3
86°
63°
4
79°
60°
5
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Morton
Morton's August 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 51° and 69°. The average high for August is 84° with an average low of 61°. 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 Morton. See also: September | October | November.