S
M
T
W
T
F
S
26
89°
67°
27
88°
65°
28
91°
68°
29
83°
66°
30
84°
68°
31
84°
66°
1
87°
69°
2
93°
69°
3
92°
68°
4
91°
68°
5
90°
67°
6
91°
69°
7
92°
70°
8
92°
69°
9
91°
67°
10
84°
64°
11
87°
67°
12
86°
67°
13
88°
66°
14
83°
60°
15
82°
59°
16
82°
59°
17
81°
60°
18
82°
61°
19
84°
64°
20
86°
65°
21
85°
64°
22
85°
65°
23
86°
65°
24
89°
58°
25
87°
61°
26
87°
62°
27
83°
63°
28
85°
58°
29
83°
57°
30
79°
57°
31
80°
60°
1
84°
57°
2
79°
52°
3
79°
50°
4
76°
52°
5
77°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Swiss
Swiss's August 2026 forecast shows daily high temperatures ranging from 76° to 93°, with overnight lows between 50° and 70°. The average high for August is 85° with an average low of 63°. 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 Swiss. See also: September | October | November.
