S
M
T
W
T
F
S
27
85°
57°
28
84°
52°
29
74°
52°
30
78°
57°
1
82°
57°
2
83°
56°
3
83°
56°
4
82°
55°
5
83°
58°
6
83°
57°
7
82°
50°
8
82°
55°
9
74°
46°
10
71°
46°
11
71°
54°
12
69°
57°
13
79°
57°
14
79°
52°
15
78°
54°
16
70°
50°
17
75°
42°
18
68°
43°
19
68°
46°
20
73°
51°
21
74°
52°
22
76°
52°
23
77°
44°
24
71°
43°
25
67°
49°
26
71°
50°
27
65°
40°
28
65°
37°
29
64°
36°
30
61°
39°
31
66°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Harvey
Harvey's October 2026 forecast shows daily high temperatures ranging from 61° to 85°, with overnight lows between 36° and 58°. The average high for October is 75° with an average low of 50°. 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 Harvey. See also: November | December | January.
