S
M
T
W
T
F
S
27
88°
68°
28
88°
68°
29
93°
72°
30
92°
75°
1
84°
70°
2
76°
67°
3
76°
63°
4
77°
54°
5
78°
52°
6
79°
53°
7
82°
55°
8
81°
55°
9
78°
51°
10
79°
52°
11
81°
54°
12
78°
49°
13
79°
55°
14
73°
48°
15
69°
48°
16
70°
50°
17
75°
52°
18
77°
53°
19
78°
54°
20
78°
54°
21
77°
52°
22
73°
47°
23
67°
46°
24
71°
50°
25
74°
52°
26
75°
52°
27
74°
51°
28
72°
52°
29
69°
52°
30
74°
51°
31
74°
51°
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 67° to 93°, with overnight lows between 46° and 75°. The average high for October is 77° with an average low of 54°. 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.