S
M
T
W
T
F
S
27
65°
60°
28
70°
60°
29
74°
62°
30
80°
57°
1
87°
60°
2
89°
61°
3
67°
59°
4
65°
60°
5
74°
52°
6
66°
43°
7
72°
42°
8
80°
51°
9
76°
46°
10
71°
49°
11
66°
61°
12
76°
57°
13
83°
54°
14
89°
60°
15
64°
57°
16
83°
52°
17
57°
36°
18
58°
39°
19
62°
44°
20
65°
46°
21
69°
49°
22
70°
48°
23
68°
50°
24
69°
51°
25
70°
51°
26
64°
48°
27
66°
42°
28
57°
37°
29
56°
36°
30
60°
47°
31
59°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Greenbelt
Greenbelt's October 2026 forecast shows daily high temperatures ranging from 56° to 89°, with overnight lows between 36° and 60°. The average high for October is 66° with an average low of 47°. 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 Greenbelt. See also: November | December | January.