S
M
T
W
T
F
S
28
90°
64°
29
82°
61°
30
84°
57°
1
66°
55°
2
77°
50°
3
75°
58°
4
79°
50°
5
75°
55°
6
77°
55°
7
84°
57°
8
75°
57°
9
79°
52°
10
84°
54°
11
84°
54°
12
81°
52°
13
86°
55°
14
84°
60°
15
77°
60°
16
82°
63°
17
78°
59°
18
72°
56°
19
71°
49°
20
71°
51°
21
72°
50°
22
74°
51°
23
77°
55°
24
78°
55°
25
81°
56°
26
80°
57°
27
75°
58°
28
69°
57°
29
70°
54°
30
75°
55°
31
75°
56°
1
76°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lachen
Lachen's July 2026 forecast shows daily high temperatures ranging from 69° to 84°, with overnight lows between 49° and 63°. The average high for July is 76° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Lachen. See also: August | September | October.