S
M
T
W
T
F
S
27
68°
53°
28
67°
53°
29
73°
52°
30
71°
48°
1
66°
52°
2
71°
57°
3
72°
46°
4
73°
45°
5
63°
46°
6
64°
50°
7
62°
52°
8
63°
53°
9
63°
52°
10
64°
53°
11
70°
53°
12
68°
47°
13
68°
43°
14
60°
43°
15
59°
42°
16
58°
43°
17
57°
41°
18
58°
41°
19
59°
42°
20
62°
49°
21
62°
48°
22
63°
49°
23
65°
48°
24
67°
43°
25
66°
41°
26
59°
38°
27
57°
40°
28
56°
36°
29
54°
40°
30
Hist. Avg.
59°
40°
31
Hist. Avg.
58°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in New Haven
New Haven's October 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 36° and 57°. The average high for October is 64° 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 New Haven. See also: November | December | January.
