S
M
T
W
T
F
S
27
65°
57°
28
67°
59°
29
71°
60°
30
74°
57°
1
80°
59°
2
84°
58°
3
72°
50°
4
61°
51°
5
70°
49°
6
62°
41°
7
69°
36°
8
75°
46°
9
72°
41°
10
71°
40°
11
58°
54°
12
73°
54°
13
78°
48°
14
79°
59°
15
68°
48°
16
75°
56°
17
56°
34°
18
60°
31°
19
66°
43°
20
69°
39°
21
63°
36°
22
65°
38°
23
57°
31°
24
56°
29°
25
60°
36°
26
66°
41°
27
62°
37°
28
61°
37°
29
60°
41°
30
60°
38°
31
54°
41°
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 54° to 69°, with overnight lows between 29° and 43°. The average high for October is 61° with an average low of 37°. 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.
