S
M
T
W
T
F
S
26
82°
60°
27
82°
60°
28
81°
59°
29
80°
58°
30
74°
54°
31
72°
51°
1
73°
52°
2
74°
54°
3
75°
57°
4
79°
58°
5
78°
58°
6
76°
57°
7
77°
57°
8
75°
56°
9
73°
57°
10
73°
49°
11
76°
54°
12
80°
57°
13
81°
58°
14
82°
56°
15
78°
57°
16
77°
56°
17
82°
49°
18
75°
48°
19
71°
47°
20
69°
47°
21
71°
46°
22
71°
46°
23
73°
47°
24
74°
47°
25
76°
48°
26
77°
55°
27
78°
53°
28
74°
47°
29
69°
51°
30
73°
51°
31
74°
47°
1
75°
45°
2
69°
44°
3
68°
46°
4
72°
54°
5
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kawartha Lakes
Kawartha Lakes's August 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 44° and 60°. The average high for August is 75° with an average low of 52°. 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 Kawartha Lakes. See also: September | October | November.