S
M
T
W
T
F
S
26
93°
68°
27
88°
72°
28
91°
72°
29
88°
70°
30
84°
68°
31
73°
63°
1
81°
61°
2
82°
63°
3
84°
63°
4
72°
57°
5
79°
52°
6
81°
57°
7
75°
61°
8
79°
55°
9
81°
63°
10
81°
61°
11
82°
64°
12
84°
64°
13
78°
63°
14
78°
67°
15
82°
59°
16
80°
51°
17
82°
60°
18
76°
56°
19
74°
55°
20
75°
57°
21
80°
58°
22
83°
61°
23
79°
56°
24
79°
55°
25
80°
56°
26
79°
55°
27
83°
61°
28
82°
61°
29
84°
62°
30
85°
63°
31
85°
62°
1
84°
60°
2
83°
61°
3
84°
61°
4
85°
60°
5
84°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Montevideo
Montevideo's August 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 51° and 67°. The average high for August is 81° with an average low of 59°. 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 Montevideo. See also: September | October | November.
