S
M
T
W
T
F
S
26
85°
56°
27
86°
57°
28
88°
52°
29
83°
55°
30
89°
56°
31
95°
61°
1
93°
56°
2
85°
55°
3
85°
59°
4
90°
58°
5
89°
58°
6
88°
57°
7
97°
66°
8
87°
58°
9
86°
59°
10
78°
53°
11
80°
54°
12
77°
53°
13
86°
57°
14
80°
52°
15
76°
50°
16
79°
50°
17
77°
51°
18
78°
52°
19
83°
54°
20
84°
56°
21
83°
53°
22
74°
49°
23
79°
56°
24
83°
55°
25
82°
57°
26
75°
50°
27
74°
50°
28
79°
54°
29
82°
56°
30
83°
57°
31
81°
56°
1
81°
55°
2
79°
55°
3
75°
52°
4
76°
52°
5
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Penticton 1
Penticton 1's August 2026 forecast shows daily high temperatures ranging from 74° to 97°, with overnight lows between 49° and 66°. The average high for August is 82° with an average low of 55°. 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 1. See also: September | October | November.
