S
M
T
W
T
F
S
27
70°
50°
28
63°
50°
29
73°
57°
30
72°
59°
1
64°
50°
2
66°
48°
3
64°
52°
4
68°
48°
5
70°
52°
6
66°
50°
7
57°
45°
8
57°
50°
9
65°
46°
10
59°
43°
11
58°
48°
12
63°
58°
13
70°
50°
14
66°
51°
15
61°
49°
16
59°
47°
17
61°
50°
18
61°
49°
19
59°
49°
20
58°
48°
21
60°
46°
22
59°
45°
23
59°
43°
24
56°
39°
25
54°
42°
26
55°
39°
27
56°
45°
28
57°
41°
29
53°
40°
30
53°
37°
31
51°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Welwyn
Welwyn's October 2026 forecast shows daily high temperatures ranging from 51° to 70°, with overnight lows between 37° and 58°. The average high for October is 59° 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 Welwyn. See also: November | December | January.
