S
M
T
W
T
F
S
27
83°
60°
28
78°
59°
29
79°
59°
30
78°
58°
1
77°
59°
2
78°
53°
3
77°
51°
4
76°
51°
5
77°
52°
6
77°
53°
7
76°
52°
8
Hist. Avg.
79°
56°
9
Hist. Avg.
79°
56°
10
Hist. Avg.
78°
56°
11
Hist. Avg.
78°
55°
12
Hist. Avg.
78°
54°
13
Hist. Avg.
78°
54°
14
Hist. Avg.
77°
54°
15
Hist. Avg.
77°
53°
16
Hist. Avg.
76°
53°
17
Hist. Avg.
76°
52°
18
Hist. Avg.
76°
52°
19
Hist. Avg.
76°
51°
20
Hist. Avg.
75°
51°
21
Hist. Avg.
75°
50°
22
Hist. Avg.
74°
50°
23
Hist. Avg.
74°
49°
24
Hist. Avg.
74°
49°
25
Hist. Avg.
74°
48°
26
Hist. Avg.
73°
48°
27
Hist. Avg.
73°
48°
28
Hist. Avg.
72°
47°
29
Hist. Avg.
72°
47°
30
Hist. Avg.
72°
46°
31
Hist. Avg.
71°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Harrisburg
Harrisburg's October 2026 forecast shows daily high temperatures ranging from 76° to 83°, with overnight lows between 51° and 60°. The average high for October is 78° with an average low of 55°. 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 Harrisburg. See also: November | December | January.
