S
M
T
W
T
F
S
26
87°
70°
27
92°
71°
28
87°
69°
29
85°
62°
30
84°
64°
31
78°
65°
1
75°
68°
2
82°
67°
3
85°
63°
4
85°
63°
5
86°
63°
6
78°
68°
7
89°
68°
8
89°
71°
9
88°
69°
10
91°
75°
11
92°
75°
12
87°
73°
13
92°
72°
14
88°
71°
15
86°
74°
16
89°
74°
17
82°
65°
18
84°
62°
19
82°
68°
20
84°
65°
21
84°
61°
22
83°
64°
23
81°
59°
24
80°
56°
25
83°
57°
26
90°
65°
27
84°
62°
28
86°
61°
29
86°
58°
30
91°
65°
31
96°
67°
1
98°
72°
2
98°
72°
3
98°
73°
4
99°
72°
5
99°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Effingham
Effingham's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Effingham. See also: September | October | November.
