S
M
T
W
T
F
S
27
76°
53°
28
76°
53°
29
75°
52°
30
76°
53°
1
76°
52°
2
75°
53°
3
75°
54°
4
74°
54°
5
75°
53°
6
75°
53°
7
74°
52°
8
73°
50°
9
70°
47°
10
72°
48°
11
71°
49°
12
67°
46°
13
69°
45°
14
61°
46°
15
60°
42°
16
59°
42°
17
63°
45°
18
68°
46°
19
70°
46°
20
71°
45°
21
70°
45°
22
70°
48°
23
69°
46°
24
69°
47°
25
66°
46°
26
67°
42°
27
66°
37°
28
66°
34°
29
52°
32°
30
50°
30°
31
50°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Hartford
Hartford's October 2026 forecast shows daily high temperatures ranging from 50° to 76°, with overnight lows between 30° and 54°. The average high for October is 68° with an average low of 46°. 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 Hartford. See also: November | December | January.