S
M
T
W
T
F
S
27
75°
47°
28
N/A
29
80°
52°
30
82°
59°
1
87°
66°
2
76°
51°
3
70°
46°
4
76°
46°
5
72°
47°
6
72°
46°
7
83°
47°
8
78°
50°
9
81°
48°
10
74°
54°
11
74°
58°
12
85°
54°
13
88°
67°
14
76°
66°
15
72°
64°
16
71°
46°
17
54°
37°
18
64°
34°
19
68°
38°
20
72°
40°
21
72°
40°
22
72°
45°
23
70°
44°
24
70°
45°
25
73°
45°
26
73°
46°
27
72°
47°
28
74°
47°
29
79°
54°
30
70°
50°
31
67°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Greencastle
Greencastle's October 2026 forecast shows daily high temperatures ranging from 67° to 70°, with overnight lows between 50° and 54°. The average high for October is 69° with an average low of 52°. 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 Greencastle. See also: November | December | January.
