S
M
T
W
T
F
S
26
79°
69°
27
77°
69°
28
77°
68°
29
77°
63°
30
77°
65°
31
77°
64°
1
77°
63°
2
78°
68°
3
78°
66°
4
77°
69°
5
78°
69°
6
79°
66°
7
78°
65°
8
79°
65°
9
79°
65°
10
79°
69°
11
80°
68°
12
78°
67°
13
76°
67°
14
77°
67°
15
77°
68°
16
78°
67°
17
77°
66°
18
76°
65°
19
76°
66°
20
75°
64°
21
76°
64°
22
75°
65°
23
78°
66°
24
76°
64°
25
76°
66°
26
78°
68°
27
78°
68°
28
79°
69°
29
74°
68°
30
75°
68°
31
76°
67°
1
76°
67°
2
75°
65°
3
75°
66°
4
74°
63°
5
74°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tijuana River Valley
Tijuana River Valley's August 2026 forecast shows daily high temperatures ranging from 74° to 79°, with overnight lows between 63° and 69°. The average high for August is 76° with an average low of 66°. 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 Tijuana River Valley. See also: September | October | November.
