S
M
T
W
T
F
S
26
94°
70°
27
97°
68°
28
98°
59°
29
99°
52°
30
99°
49°
31
105°
51°
1
102°
61°
2
104°
60°
3
99°
57°
4
97°
56°
5
94°
58°
6
99°
60°
7
98°
65°
8
103°
58°
9
102°
62°
10
96°
58°
11
97°
60°
12
91°
66°
13
84°
65°
14
86°
65°
15
90°
66°
16
92°
69°
17
93°
67°
18
95°
66°
19
90°
65°
20
87°
64°
21
87°
64°
22
89°
67°
23
91°
67°
24
90°
68°
25
95°
63°
26
95°
66°
27
94°
66°
28
96°
66°
29
90°
66°
30
90°
65°
31
92°
65°
1
93°
64°
2
92°
63°
3
92°
63°
4
91°
61°
5
93°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jacumba
Jacumba's August 2026 forecast shows daily high temperatures ranging from 84° to 96°, with overnight lows between 61° and 69°. The average high for August is 91° 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 Jacumba. See also: September | October | November.
