S
M
T
W
T
F
S
26
89°
71°
27
88°
70°
28
88°
72°
29
92°
71°
30
91°
72°
31
92°
72°
1
92°
73°
2
91°
72°
3
88°
72°
4
92°
71°
5
90°
72°
6
92°
72°
7
92°
71°
8
91°
71°
9
92°
72°
10
92°
72°
11
90°
71°
12
88°
72°
13
89°
71°
14
87°
71°
15
87°
70°
16
86°
71°
17
86°
70°
18
87°
69°
19
87°
71°
20
86°
71°
21
86°
70°
22
87°
71°
23
87°
69°
24
92°
69°
25
91°
69°
26
89°
68°
27
90°
69°
28
91°
68°
29
90°
67°
30
91°
70°
31
91°
69°
1
89°
68°
2
87°
68°
3
88°
67°
4
87°
68°
5
85°
68°
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 85° to 92°, with overnight lows between 67° and 73°. The average high for August is 89° with an average low of 70°. 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.
