S
M
T
W
T
F
S
26
102°
72°
27
103°
71°
28
102°
68°
29
101°
65°
30
98°
64°
31
95°
63°
1
95°
63°
2
94°
64°
3
94°
65°
4
95°
67°
5
96°
68°
6
100°
68°
7
102°
66°
8
100°
67°
9
96°
70°
10
100°
72°
11
100°
69°
12
99°
70°
13
100°
67°
14
99°
68°
15
99°
68°
16
98°
70°
17
99°
72°
18
94°
69°
19
96°
66°
20
96°
63°
21
95°
62°
22
93°
62°
23
93°
63°
24
94°
63°
25
96°
62°
26
92°
61°
27
92°
61°
28
93°
60°
29
91°
60°
30
92°
61°
31
92°
65°
1
93°
64°
2
98°
63°
3
93°
62°
4
90°
60°
5
97°
64°
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 90° to 103°, with overnight lows between 60° and 72°. The average high for August is 96° with an average low of 65°. 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.
