S
M
T
W
T
F
S
27
69°
49°
28
65°
43°
29
68°
49°
30
66°
50°
1
69°
49°
2
69°
47°
3
66°
49°
4
69°
47°
5
61°
44°
6
65°
47°
7
64°
45°
8
59°
44°
9
55°
45°
10
60°
43°
11
61°
44°
12
65°
46°
13
64°
45°
14
64°
44°
15
63°
43°
16
64°
42°
17
51°
39°
18
51°
41°
19
56°
41°
20
57°
40°
21
59°
37°
22
49°
36°
23
49°
39°
24
57°
41°
25
58°
41°
26
52°
30°
27
51°
32°
28
54°
37°
29
55°
38°
30
56°
40°
31
56°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Harrietta
Harrietta's October 2026 forecast shows daily high temperatures ranging from 49° to 69°, with overnight lows between 30° and 50°. The average high for October is 60° with an average low of 42°. 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 Harrietta. See also: November | December | January.
