S
M
T
W
T
F
S
26
85°
53°
27
87°
56°
28
90°
57°
29
91°
55°
30
90°
56°
31
89°
55°
1
88°
54°
2
88°
57°
3
90°
63°
4
90°
56°
5
89°
62°
6
89°
54°
7
85°
57°
8
78°
52°
9
77°
49°
10
76°
55°
11
79°
51°
12
79°
56°
13
84°
51°
14
77°
51°
15
75°
49°
16
76°
51°
17
78°
51°
18
79°
55°
19
80°
55°
20
76°
53°
21
75°
50°
22
75°
47°
23
76°
51°
24
78°
50°
25
80°
49°
26
80°
56°
27
85°
54°
28
84°
49°
29
76°
48°
30
78°
52°
31
80°
53°
1
72°
52°
2
72°
45°
3
71°
51°
4
74°
54°
5
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Penticton 2
Penticton 2's August 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 45° and 63°. The average high for August is 81° with an average low of 53°. 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 Penticton 2. See also: September | October | November.
