S
M
T
W
T
F
S
27
65°
51°
28
64°
51°
29
65°
50°
30
65°
51°
1
64°
51°
2
64°
50°
3
63°
50°
4
64°
48°
5
60°
44°
6
59°
49°
7
61°
49°
8
61°
46°
9
59°
46°
10
57°
45°
11
59°
43°
12
58°
48°
13
60°
48°
14
61°
46°
15
59°
46°
16
56°
42°
17
56°
41°
18
57°
40°
19
57°
40°
20
55°
39°
21
54°
39°
22
56°
41°
23
57°
40°
24
58°
41°
25
58°
40°
26
57°
39°
27
58°
45°
28
58°
45°
29
57°
46°
30
57°
46°
31
58°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Dereham
Dereham's October 2026 forecast shows daily high temperatures ranging from 54° to 65°, with overnight lows between 39° and 51°. The average high for October is 59° with an average low of 45°. 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 Dereham. See also: November | December | January.