S
M
T
W
T
F
S
26
85°
68°
27
85°
68°
28
84°
67°
29
81°
63°
30
80°
60°
31
77°
60°
1
76°
61°
2
78°
60°
3
79°
66°
4
79°
63°
5
80°
64°
6
81°
68°
7
82°
65°
8
78°
63°
9
79°
60°
10
79°
60°
11
80°
62°
12
83°
67°
13
84°
66°
14
85°
67°
15
83°
66°
16
84°
67°
17
86°
65°
18
79°
59°
19
78°
57°
20
76°
57°
21
77°
58°
22
77°
57°
23
78°
57°
24
79°
58°
25
82°
58°
26
82°
60°
27
83°
60°
28
80°
57°
29
76°
56°
30
76°
57°
31
78°
60°
1
82°
56°
2
74°
55°
3
75°
56°
4
77°
61°
5
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rennerdale
Rennerdale's August 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 55° and 68°. The average high for August is 80° with an average low of 61°. 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 Rennerdale. See also: September | October | November.