S
M
T
W
T
F
S
26
76°
57°
27
81°
61°
28
80°
61°
29
76°
60°
30
80°
55°
31
75°
53°
1
75°
54°
2
76°
55°
3
77°
59°
4
81°
60°
5
80°
60°
6
81°
58°
7
79°
58°
8
81°
59°
9
82°
57°
10
81°
51°
11
75°
52°
12
76°
54°
13
75°
52°
14
76°
52°
15
75°
55°
16
74°
58°
17
74°
56°
18
75°
54°
19
74°
52°
20
74°
51°
21
75°
56°
22
78°
57°
23
74°
56°
24
78°
57°
25
79°
49°
26
78°
48°
27
73°
50°
28
72°
51°
29
71°
54°
30
73°
56°
31
72°
55°
1
77°
49°
2
72°
49°
3
72°
50°
4
73°
48°
5
72°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fremont
Fremont's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 48° and 61°. The average high for August is 76° with an average low of 54°. 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 Fremont. See also: September | October | November.