S
M
T
W
T
F
S
26
77°
68°
27
73°
66°
28
76°
68°
29
75°
68°
30
72°
66°
31
72°
65°
1
74°
67°
2
74°
65°
3
75°
66°
4
76°
69°
5
77°
69°
6
77°
68°
7
76°
69°
8
75°
69°
9
76°
68°
10
76°
68°
11
75°
69°
12
77°
69°
13
75°
68°
14
76°
68°
15
74°
67°
16
76°
68°
17
77°
69°
18
77°
69°
19
76°
68°
20
78°
69°
21
77°
69°
22
76°
68°
23
77°
69°
24
75°
69°
25
78°
68°
26
78°
67°
27
76°
66°
28
76°
68°
29
75°
67°
30
76°
68°
31
77°
68°
1
77°
67°
2
76°
68°
3
77°
70°
4
76°
68°
5
76°
67°
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 72° to 78°, with overnight lows between 65° and 70°. The average high for August is 76° with an average low of 68°. 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.
