S
M
T
W
T
F
S
26
68°
57°
27
77°
55°
28
72°
57°
29
73°
50°
30
75°
48°
31
81°
52°
1
66°
52°
2
69°
49°
3
74°
53°
4
81°
55°
5
80°
54°
6
79°
55°
7
78°
54°
8
76°
55°
9
75°
53°
10
75°
55°
11
73°
54°
12
74°
55°
13
76°
54°
14
84°
58°
15
78°
55°
16
72°
54°
17
76°
55°
18
77°
56°
19
78°
54°
20
75°
53°
21
72°
55°
22
70°
52°
23
73°
56°
24
69°
49°
25
74°
53°
26
77°
56°
27
77°
56°
28
75°
55°
29
70°
54°
30
68°
48°
31
71°
52°
1
67°
51°
2
67°
48°
3
68°
47°
4
70°
52°
5
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in La Conner
La Conner's August 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 47° and 58°. The average high for August is 74° 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 La Conner. See also: September | October | November.