S
M
T
W
T
F
S
27
72°
54°
28
66°
55°
29
79°
61°
30
75°
59°
1
70°
55°
2
70°
50°
3
66°
52°
4
72°
52°
5
73°
55°
6
70°
54°
7
59°
48°
8
59°
46°
9
68°
52°
10
61°
50°
11
61°
48°
12
64°
50°
13
68°
54°
14
66°
48°
15
70°
57°
16
61°
46°
17
57°
45°
18
57°
46°
19
57°
46°
20
55°
46°
21
52°
43°
22
59°
48°
23
55°
45°
24
63°
45°
25
57°
48°
26
63°
48°
27
N/A
28
61°
47°
29
60°
47°
30
60°
47°
31
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Heathrow
Heathrow's October 2026 forecast shows daily high temperatures ranging from 58° to 61°, with overnight lows between 44° and 47°. The average high for October is 60° 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 Heathrow. See also: November | December | January.
