S
M
T
W
T
F
S
27
N/A
28
88°
59°
29
91°
67°
30
90°
73°
1
84°
68°
2
75°
61°
3
77°
58°
4
78°
56°
5
79°
55°
6
77°
56°
7
75°
53°
8
76°
51°
9
74°
53°
10
76°
50°
11
79°
56°
12
77°
55°
13
79°
54°
14
73°
48°
15
68°
48°
16
70°
50°
17
74°
52°
18
76°
53°
19
77°
54°
20
77°
54°
21
76°
52°
22
73°
47°
23
66°
46°
24
70°
50°
25
73°
52°
26
74°
53°
27
75°
52°
28
71°
52°
29
68°
51°
30
73°
51°
31
73°
50°
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 66° to 91°, with overnight lows between 46° and 73°. The average high for October is 76° with an average low of 54°. 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.
