S
M
T
W
T
F
S
26
78°
61°
27
83°
63°
28
82°
65°
29
78°
60°
30
82°
56°
31
84°
58°
1
77°
66°
2
80°
66°
3
82°
60°
4
84°
53°
5
85°
66°
6
85°
67°
7
85°
69°
8
87°
68°
9
86°
66°
10
80°
67°
11
75°
66°
12
76°
64°
13
82°
64°
14
76°
67°
15
80°
65°
16
83°
70°
17
80°
67°
18
82°
64°
19
79°
63°
20
79°
64°
21
80°
60°
22
79°
57°
23
74°
52°
24
74°
51°
25
78°
53°
26
80°
59°
27
79°
62°
28
78°
61°
29
79°
59°
30
78°
61°
31
78°
56°
1
81°
57°
2
76°
57°
3
74°
56°
4
75°
61°
5
74°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fresno
Fresno's August 2026 forecast shows daily high temperatures ranging from 74° to 81°, with overnight lows between 51° and 62°. The average high for August is 77° 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 Fresno. See also: September | October | November.
