S
M
T
W
T
F
S
27
75°
52°
28
74°
52°
29
77°
50°
30
77°
50°
1
75°
49°
2
75°
51°
3
74°
51°
4
73°
50°
5
75°
51°
6
71°
49°
7
70°
46°
8
62°
42°
9
64°
44°
10
67°
46°
11
66°
44°
12
68°
39°
13
61°
37°
14
60°
36°
15
62°
41°
16
64°
47°
17
66°
45°
18
66°
42°
19
66°
39°
20
62°
43°
21
57°
41°
22
56°
35°
23
56°
36°
24
58°
41°
25
60°
40°
26
56°
36°
27
55°
39°
28
56°
37°
29
54°
31°
30
53°
30°
31
50°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Lehigh Valley
Lehigh Valley's October 2026 forecast shows daily high temperatures ranging from 50° to 77°, with overnight lows between 29° and 52°. The average high for October is 65° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Lehigh Valley. See also: November | December | January.
