S
M
T
W
T
F
S
26
93°
72°
27
95°
72°
28
91°
68°
29
91°
66°
30
91°
64°
31
99°
68°
1
97°
72°
2
97°
70°
3
93°
68°
4
91°
66°
5
90°
66°
6
93°
68°
7
95°
70°
8
99°
72°
9
95°
73°
10
93°
73°
11
93°
70°
12
90°
66°
13
84°
66°
14
84°
64°
15
88°
63°
16
91°
64°
17
95°
68°
18
95°
72°
19
99°
72°
20
97°
72°
21
99°
75°
22
99°
73°
23
100°
75°
24
100°
75°
25
99°
77°
26
100°
81°
27
95°
77°
28
100°
77°
29
97°
77°
30
91°
72°
31
86°
66°
1
86°
64°
2
84°
63°
3
81°
61°
4
84°
61°
5
90°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Upland
Upland's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Upland. See also: September | October | November.
