S
M
T
W
T
F
S
26
77°
54°
27
78°
55°
28
80°
56°
29
75°
58°
30
74°
54°
31
79°
57°
1
79°
57°
2
80°
58°
3
80°
58°
4
79°
57°
5
80°
58°
6
81°
59°
7
82°
59°
8
81°
58°
9
72°
54°
10
71°
55°
11
71°
53°
12
72°
55°
13
72°
54°
14
74°
56°
15
75°
55°
16
72°
54°
17
72°
48°
18
74°
47°
19
77°
49°
20
78°
50°
21
79°
49°
22
78°
54°
23
80°
55°
24
73°
56°
25
79°
50°
26
72°
45°
27
69°
47°
28
69°
51°
29
71°
52°
30
67°
46°
31
69°
53°
1
75°
55°
2
78°
48°
3
79°
53°
4
77°
45°
5
68°
46°
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 67° to 82°, with overnight lows between 45° and 59°. The average high for August is 75° with an average low of 53°. 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.
