S
M
T
W
T
F
S
26
85°
65°
27
85°
69°
28
82°
67°
29
83°
63°
30
85°
61°
31
89°
66°
1
82°
66°
2
77°
66°
3
82°
64°
4
84°
57°
5
89°
60°
6
87°
66°
7
87°
68°
8
89°
69°
9
87°
62°
10
86°
68°
11
80°
66°
12
83°
66°
13
81°
69°
14
79°
63°
15
77°
68°
16
86°
67°
17
78°
62°
18
79°
61°
19
81°
63°
20
83°
62°
21
80°
64°
22
82°
63°
23
79°
60°
24
80°
58°
25
78°
61°
26
82°
64°
27
83°
65°
28
84°
63°
29
78°
60°
30
76°
58°
31
76°
60°
1
77°
63°
2
78°
63°
3
83°
64°
4
83°
63°
5
82°
64°
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 76° to 86°, with overnight lows between 58° and 69°. The average high for August is 80° with an average low of 63°. 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.