S
M
T
W
T
F
S
26
93°
72°
27
95°
72°
28
99°
76°
29
99°
76°
30
99°
78°
31
102°
76°
1
104°
75°
2
105°
73°
3
108°
74°
4
106°
75°
5
102°
74°
6
99°
74°
7
102°
72°
8
102°
72°
9
100°
73°
10
99°
70°
11
101°
73°
12
102°
74°
13
101°
73°
14
94°
71°
15
94°
73°
16
95°
73°
17
98°
72°
18
100°
73°
19
100°
73°
20
99°
74°
21
100°
73°
22
100°
72°
23
99°
73°
24
99°
73°
25
98°
72°
26
100°
73°
27
100°
73°
28
99°
72°
29
98°
72°
30
98°
71°
31
95°
71°
1
91°
70°
2
94°
71°
3
95°
71°
4
96°
70°
5
96°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sheffield
Sheffield's August 2026 forecast shows daily high temperatures ranging from 91° to 108°, with overnight lows between 69° and 78°. The average high for August is 99° with an average low of 73°. 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 Sheffield. See also: September | October | November.
