S
M
T
W
T
F
S
26
90°
75°
27
92°
72°
28
91°
72°
29
92°
74°
30
93°
73°
31
91°
74°
1
92°
73°
2
91°
73°
3
93°
74°
4
92°
73°
5
93°
74°
6
91°
73°
7
90°
73°
8
90°
74°
9
91°
72°
10
92°
72°
11
93°
73°
12
93°
74°
13
91°
74°
14
90°
73°
15
91°
73°
16
92°
74°
17
90°
75°
18
90°
74°
19
91°
75°
20
90°
74°
21
91°
75°
22
93°
73°
23
94°
73°
24
93°
74°
25
93°
75°
26
92°
76°
27
92°
75°
28
90°
75°
29
90°
74°
30
91°
74°
31
91°
74°
1
90°
73°
2
90°
73°
3
91°
74°
4
90°
73°
5
91°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Clewiston
Clewiston's August 2026 forecast shows daily high temperatures ranging from 90° to 94°, with overnight lows between 72° and 76°. The average high for August is 91° with an average low of 74°. 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 Clewiston. See also: September | October | November.
