S
M
T
W
T
F
S
26
85°
66°
27
86°
66°
28
86°
67°
29
87°
70°
30
90°
71°
31
91°
72°
1
91°
70°
2
86°
71°
3
89°
72°
4
93°
70°
5
93°
65°
6
86°
65°
7
84°
66°
8
84°
64°
9
85°
65°
10
85°
65°
11
86°
66°
12
89°
65°
13
90°
70°
14
91°
69°
15
89°
67°
16
91°
68°
17
91°
64°
18
85°
63°
19
85°
68°
20
87°
68°
21
91°
69°
22
84°
68°
23
88°
70°
24
91°
71°
25
91°
69°
26
90°
70°
27
90°
70°
28
89°
69°
29
90°
70°
30
88°
68°
31
87°
67°
1
86°
66°
2
86°
65°
3
85°
64°
4
87°
67°
5
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Preston
Preston's August 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 63° and 72°. The average high for August is 88° with an average low of 68°. 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 Preston. See also: September | October | November.
