S
M
T
W
T
F
S
26
98°
66°
27
97°
64°
28
96°
64°
29
100°
65°
30
99°
66°
31
100°
62°
1
104°
73°
2
105°
70°
3
105°
73°
4
105°
70°
5
103°
69°
6
105°
70°
7
105°
69°
8
104°
67°
9
103°
66°
10
98°
67°
11
96°
65°
12
97°
65°
13
96°
66°
14
98°
61°
15
91°
64°
16
91°
65°
17
93°
64°
18
93°
65°
19
91°
64°
20
91°
62°
21
94°
64°
22
95°
64°
23
94°
63°
24
96°
64°
25
97°
65°
26
97°
65°
27
96°
64°
28
95°
65°
29
96°
65°
30
94°
64°
31
91°
63°
1
90°
62°
2
94°
63°
3
95°
63°
4
92°
62°
5
91°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oroville
Oroville's August 2026 forecast shows daily high temperatures ranging from 90° to 105°, with overnight lows between 61° and 73°. The average high for August is 97° 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 Oroville. See also: September | October | November.
