S
M
T
W
T
F
S
26
82°
68°
27
85°
70°
28
85°
71°
29
81°
70°
30
85°
68°
31
81°
64°
1
79°
64°
2
80°
66°
3
80°
69°
4
85°
71°
5
86°
70°
6
87°
70°
7
82°
68°
8
85°
69°
9
85°
68°
10
83°
63°
11
80°
62°
12
81°
64°
13
79°
63°
14
83°
63°
15
80°
65°
16
79°
68°
17
78°
66°
18
79°
64°
19
79°
63°
20
78°
63°
21
78°
66°
22
80°
68°
23
80°
66°
24
84°
67°
25
84°
61°
26
83°
60°
27
78°
61°
28
77°
63°
29
76°
66°
30
77°
65°
31
78°
66°
1
82°
61°
2
77°
61°
3
77°
62°
4
78°
60°
5
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rumson
Rumson's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 60° and 71°. The average high for August is 81° with an average low of 65°. 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 Rumson. See also: September | October | November.
