S
M
T
W
T
F
S
26
83°
66°
27
85°
65°
28
84°
66°
29
83°
66°
30
84°
65°
31
79°
64°
1
78°
61°
2
80°
63°
3
81°
64°
4
81°
65°
5
85°
65°
6
86°
66°
7
87°
68°
8
87°
66°
9
86°
65°
10
86°
65°
11
87°
66°
12
86°
65°
13
85°
66°
14
81°
58°
15
77°
59°
16
77°
56°
17
79°
55°
18
80°
54°
19
81°
52°
20
76°
52°
21
76°
57°
22
77°
54°
23
78°
53°
24
79°
60°
25
78°
58°
26
84°
61°
27
84°
56°
28
83°
52°
29
75°
52°
30
74°
53°
31
73°
53°
1
73°
51°
2
74°
56°
3
79°
51°
4
77°
55°
5
74°
56°
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 73° to 87°, with overnight lows between 51° and 68°. The average high for August is 81° with an average low of 60°. 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.