S
M
T
W
T
F
S
26
83°
63°
27
83°
63°
28
81°
62°
29
83°
63°
30
82°
62°
31
80°
61°
1
76°
59°
2
75°
59°
3
76°
61°
4
77°
61°
5
79°
60°
6
81°
61°
7
82°
62°
8
80°
62°
9
82°
61°
10
81°
61°
11
82°
60°
12
83°
62°
13
82°
62°
14
85°
53°
15
82°
54°
16
79°
57°
17
78°
56°
18
82°
56°
19
83°
53°
20
76°
51°
21
74°
51°
22
75°
53°
23
74°
52°
24
75°
52°
25
75°
57°
26
74°
56°
27
82°
52°
28
81°
51°
29
74°
51°
30
72°
50°
31
73°
50°
1
73°
51°
2
71°
49°
3
73°
50°
4
73°
50°
5
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Erin
Erin's August 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 49° and 63°. The average high for August is 78° with an average low of 56°. 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 Erin. See also: September | October | November.