S
M
T
W
T
F
S
26
93°
71°
27
98°
68°
28
92°
68°
29
92°
65°
30
94°
64°
31
100°
68°
1
99°
72°
2
99°
71°
3
96°
70°
4
94°
70°
5
91°
69°
6
95°
70°
7
93°
71°
8
98°
71°
9
96°
73°
10
93°
72°
11
90°
70°
12
87°
66°
13
85°
64°
14
85°
64°
15
87°
63°
16
90°
65°
17
93°
66°
18
94°
71°
19
102°
70°
20
99°
70°
21
98°
69°
22
97°
68°
23
100°
68°
24
102°
64°
25
100°
65°
26
102°
64°
27
100°
63°
28
101°
62°
29
100°
61°
30
97°
61°
31
94°
59°
1
93°
58°
2
87°
61°
3
87°
62°
4
90°
58°
5
93°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yucaipa
Yucaipa's August 2026 forecast shows daily high temperatures ranging from 87° to 102°, with overnight lows between 58° and 70°. The average high for August is 97° 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 Yucaipa. See also: September | October | November.
