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