S
M
T
W
T
F
S
26
83°
63°
27
82°
62°
28
83°
62°
29
77°
60°
30
76°
59°
31
79°
64°
1
83°
66°
2
85°
67°
3
83°
66°
4
84°
65°
5
79°
64°
6
80°
66°
7
85°
65°
8
77°
66°
9
84°
64°
10
77°
61°
11
78°
63°
12
80°
65°
13
83°
63°
14
79°
58°
15
76°
58°
16
77°
61°
17
76°
63°
18
80°
65°
19
83°
61°
20
83°
65°
21
84°
61°
22
75°
57°
23
81°
65°
24
77°
62°
25
83°
61°
26
83°
63°
27
82°
55°
28
76°
54°
29
72°
52°
30
74°
55°
31
75°
59°
1
74°
62°
2
79°
54°
3
74°
51°
4
72°
52°
5
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in North Barrington
North Barrington's August 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 51° and 67°. The average high for August is 79° 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 North Barrington. See also: September | October | November.
