S
M
T
W
T
F
S
26
79°
60°
27
80°
59°
28
75°
58°
29
75°
59°
30
77°
60°
31
81°
60°
1
81°
59°
2
78°
59°
3
83°
59°
4
83°
51°
5
76°
51°
6
77°
52°
7
76°
54°
8
73°
52°
9
73°
51°
10
74°
53°
11
76°
57°
12
80°
58°
13
79°
51°
14
75°
50°
15
73°
48°
16
75°
53°
17
75°
51°
18
74°
49°
19
74°
48°
20
75°
48°
21
75°
52°
22
78°
56°
23
80°
56°
24
81°
57°
25
81°
55°
26
80°
56°
27
81°
51°
28
78°
56°
29
79°
53°
30
74°
47°
31
72°
45°
1
68°
46°
2
68°
44°
3
69°
44°
4
69°
45°
5
68°
45°
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 68° to 83°, with overnight lows between 44° and 60°. The average high for August is 76° 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 Erin. See also: September | October | November.