S
M
T
W
T
F
S
26
76°
53°
27
75°
54°
28
75°
53°
29
76°
53°
30
76°
54°
31
77°
55°
1
78°
60°
2
77°
61°
3
77°
58°
4
79°
55°
5
79°
55°
6
83°
62°
7
83°
62°
8
82°
63°
9
83°
62°
10
82°
55°
11
76°
54°
12
76°
54°
13
75°
53°
14
77°
58°
15
76°
57°
16
75°
51°
17
Hist. Avg.
79°
58°
18
Hist. Avg.
79°
58°
19
Hist. Avg.
79°
58°
20
Hist. Avg.
78°
58°
21
Hist. Avg.
78°
58°
22
Hist. Avg.
78°
57°
23
Hist. Avg.
78°
57°
24
Hist. Avg.
78°
57°
25
Hist. Avg.
78°
57°
26
Hist. Avg.
77°
56°
27
Hist. Avg.
77°
56°
28
Hist. Avg.
77°
56°
29
Hist. Avg.
77°
56°
30
Hist. Avg.
76°
56°
31
Hist. Avg.
76°
55°
1
Hist. Avg.
76°
55°
2
Hist. Avg.
76°
55°
3
Hist. Avg.
75°
54°
4
Hist. Avg.
75°
54°
5
Hist. Avg.
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Plainfield
Plainfield's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 51° 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 Plainfield. See also: September | October | November.
