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
54°
43°
9
64°
48°
10
57°
46°
11
57°
45°
12
61°
48°
13
64°
48°
14
63°
45°
15
68°
54°
16
57°
43°
17
52°
41°
18
52°
43°
19
54°
46°
20
52°
46°
21
50°
41°
22
54°
45°
23
52°
41°
24
59°
41°
25
54°
43°
26
59°
43°
27
59°
43°
28
N/A
29
59°
46°
30
59°
46°
31
57°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Hemel Hempstead
Hemel Hempstead's October 2026 forecast shows daily high temperatures ranging from 57° to 59°, with overnight lows between 43° and 46°. The average high for October is 58° 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 Hemel Hempstead. See also: November | December | January.