S
M
T
W
T
F
S
26
79°
58°
27
80°
55°
28
73°
58°
29
75°
55°
30
74°
55°
31
76°
58°
1
77°
58°
2
81°
59°
3
81°
59°
4
80°
58°
5
78°
56°
6
74°
54°
7
73°
55°
8
74°
54°
9
73°
56°
10
74°
52°
11
72°
50°
12
72°
50°
13
75°
57°
14
75°
56°
15
73°
50°
16
72°
49°
17
72°
51°
18
74°
55°
19
73°
57°
20
78°
57°
21
76°
56°
22
74°
56°
23
73°
55°
24
80°
51°
25
75°
55°
26
81°
47°
27
73°
46°
28
72°
47°
29
71°
46°
30
69°
45°
31
69°
46°
1
72°
51°
2
75°
54°
3
71°
56°
4
75°
56°
5
81°
52°
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 69° to 81°, with overnight lows between 45° and 59°. The average high for August is 75° with an average low of 54°. 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.
