S
M
T
W
T
F
S
26
83°
66°
27
84°
65°
28
84°
63°
29
83°
67°
30
84°
69°
31
83°
63°
1
83°
68°
2
85°
69°
3
86°
63°
4
85°
62°
5
83°
63°
6
83°
62°
7
84°
63°
8
82°
62°
9
82°
65°
10
86°
66°
11
83°
64°
12
85°
67°
13
87°
68°
14
82°
68°
15
84°
67°
16
88°
61°
17
87°
61°
18
81°
62°
19
80°
65°
20
80°
60°
21
81°
60°
22
82°
64°
23
81°
65°
24
84°
66°
25
87°
65°
26
87°
58°
27
85°
57°
28
78°
57°
29
79°
59°
30
79°
61°
31
81°
64°
1
84°
64°
2
85°
63°
3
85°
61°
4
84°
64°
5
84°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Morristown
Morristown's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 57° and 69°. The average high for August is 83° with an average low of 64°. 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 Morristown. See also: September | October | November.
