S
M
T
W
T
F
S
27
74°
52°
28
74°
48°
29
68°
43°
30
70°
52°
1
71°
49°
2
67°
46°
3
69°
50°
4
72°
51°
5
73°
51°
6
71°
50°
7
71°
50°
8
67°
49°
9
68°
50°
10
70°
49°
11
71°
47°
12
69°
41°
13
58°
38°
14
56°
36°
15
55°
35°
16
55°
35°
17
56°
40°
18
60°
35°
19
55°
35°
20
55°
34°
21
54°
34°
22
54°
33°
23
66°
47°
24
67°
42°
25
68°
38°
26
61°
32°
27
54°
30°
28
51°
28°
29
49°
30°
30
51°
38°
31
53°
37°
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 49° to 74°, with overnight lows between 28° and 52°. The average high for October is 63° with an average low of 42°. 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.
