S
M
T
W
T
F
S
27
67°
51°
28
66°
50°
29
63°
49°
30
60°
45°
1
60°
44°
2
61°
43°
3
61°
45°
4
60°
44°
5
59°
45°
6
60°
48°
7
59°
49°
8
62°
48°
9
64°
47°
10
63°
48°
11
58°
44°
12
57°
43°
13
Hist. Avg.
59°
47°
14
Hist. Avg.
59°
47°
15
Hist. Avg.
59°
47°
16
Hist. Avg.
59°
47°
17
Hist. Avg.
59°
47°
18
Hist. Avg.
58°
46°
19
Hist. Avg.
58°
46°
20
Hist. Avg.
58°
46°
21
Hist. Avg.
58°
46°
22
Hist. Avg.
57°
46°
23
Hist. Avg.
57°
46°
24
Hist. Avg.
57°
45°
25
Hist. Avg.
56°
45°
26
Hist. Avg.
56°
45°
27
Hist. Avg.
56°
45°
28
Hist. Avg.
56°
45°
29
Hist. Avg.
55°
45°
30
Hist. Avg.
55°
44°
31
Hist. Avg.
55°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Harleston
Harleston's October 2026 forecast shows daily high temperatures ranging from 57° to 67°, with overnight lows between 43° and 51°. The average high for October is 61° 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 Harleston. See also: November | December | January.
