S
M
T
W
T
F
S
27
66°
51°
28
65°
52°
29
66°
52°
30
67°
52°
1
65°
54°
2
70°
51°
3
62°
51°
4
66°
57°
5
69°
47°
6
62°
47°
7
62°
44°
8
60°
45°
9
61°
47°
10
65°
46°
11
68°
54°
12
69°
55°
13
69°
55°
14
68°
52°
15
69°
47°
16
68°
46°
17
62°
52°
18
65°
46°
19
65°
52°
20
64°
54°
21
67°
53°
22
68°
50°
23
67°
41°
24
66°
41°
25
55°
42°
26
54°
40°
27
54°
41°
28
56°
47°
29
61°
48°
30
63°
47°
31
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Hammonasset State Park
Hammonasset State Park's October 2026 forecast shows daily high temperatures ranging from 54° to 70°, with overnight lows between 40° and 57°. The average high for October is 64° with an average low of 49°. 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 Hammonasset State Park. See also: November | December | January.
