S
M
T
W
T
F
S
26
74°
55°
27
74°
55°
28
75°
56°
29
75°
56°
30
74°
55°
31
74°
55°
1
79°
56°
2
80°
57°
3
76°
56°
4
74°
55°
5
74°
55°
6
75°
56°
7
74°
56°
8
74°
57°
9
75°
56°
10
79°
56°
11
76°
56°
12
78°
55°
13
79°
57°
14
81°
59°
15
80°
58°
16
81°
60°
17
81°
61°
18
82°
61°
19
82°
60°
20
81°
61°
21
81°
60°
22
82°
60°
23
82°
59°
24
81°
59°
25
81°
58°
26
82°
61°
27
82°
59°
28
81°
59°
29
81°
57°
30
79°
56°
31
78°
54°
1
78°
55°
2
77°
54°
3
76°
53°
4
76°
52°
5
75°
52°
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 74° to 82°, with overnight lows between 52° and 61°. The average high for August is 78° with an average low of 57°. 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.