S
M
T
W
T
F
S
26
72°
68°
27
74°
66°
28
73°
68°
29
75°
68°
30
72°
66°
31
72°
66°
1
73°
67°
2
73°
68°
3
74°
68°
4
75°
69°
5
76°
69°
6
76°
68°
7
75°
69°
8
75°
69°
9
71°
68°
10
70°
67°
11
71°
66°
12
72°
65°
13
71°
66°
14
73°
65°
15
74°
66°
16
73°
64°
17
73°
68°
18
76°
68°
19
77°
67°
20
77°
68°
21
76°
68°
22
77°
67°
23
76°
65°
24
73°
63°
25
71°
63°
26
72°
64°
27
75°
67°
28
75°
69°
29
77°
69°
30
78°
67°
31
77°
68°
1
75°
67°
2
74°
66°
3
75°
68°
4
76°
67°
5
75°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Roseville
Roseville's August 2026 forecast shows daily high temperatures ranging from 70° to 78°, with overnight lows between 63° and 69°. The average high for August is 74° with an average low of 67°. 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 Roseville. See also: September | October | November.
