S
M
T
W
T
F
S
26
85°
67°
27
86°
69°
28
86°
68°
29
85°
69°
30
87°
70°
31
88°
70°
1
87°
69°
2
86°
67°
3
83°
64°
4
82°
65°
5
81°
64°
6
81°
63°
7
82°
67°
8
84°
67°
9
87°
68°
10
87°
68°
11
86°
67°
12
85°
67°
13
86°
68°
14
87°
66°
15
86°
67°
16
82°
68°
17
83°
66°
18
87°
68°
19
86°
67°
20
86°
61°
21
87°
59°
22
81°
59°
23
80°
61°
24
81°
61°
25
81°
59°
26
82°
65°
27
81°
60°
28
82°
58°
29
80°
59°
30
80°
57°
31
79°
57°
1
78°
58°
2
79°
58°
3
77°
60°
4
77°
58°
5
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Matawan
Matawan's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 57° and 70°. 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 Matawan. See also: September | October | November.