S
M
T
W
T
F
S
26
83°
59°
27
83°
60°
28
82°
59°
29
80°
58°
30
76°
53°
31
74°
52°
1
74°
52°
2
75°
53°
3
76°
58°
4
76°
58°
5
77°
57°
6
76°
59°
7
78°
58°
8
76°
56°
9
76°
55°
10
75°
49°
11
77°
52°
12
81°
56°
13
83°
57°
14
84°
58°
15
82°
54°
16
78°
58°
17
84°
56°
18
79°
50°
19
75°
48°
20
73°
48°
21
73°
47°
22
74°
48°
23
74°
48°
24
76°
49°
25
77°
48°
26
79°
55°
27
81°
53°
28
80°
48°
29
72°
51°
30
73°
48°
31
76°
50°
1
79°
46°
2
72°
45°
3
71°
47°
4
75°
54°
5
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fillmore
Fillmore's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 45° and 60°. The average high for August is 77° with an average low of 53°. 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 Fillmore. See also: September | October | November.
