S
M
T
W
T
F
S
27
78°
50°
28
77°
46°
29
68°
46°
30
69°
48°
1
68°
51°
2
73°
54°
3
76°
53°
4
77°
53°
5
76°
52°
6
75°
54°
7
76°
46°
8
74°
42°
9
66°
43°
10
63°
42°
11
63°
45°
12
64°
50°
13
70°
53°
14
72°
51°
15
74°
49°
16
72°
46°
17
69°
39°
18
62°
42°
19
60°
38°
20
59°
47°
21
58°
47°
22
64°
46°
23
68°
41°
24
59°
38°
25
56°
37°
26
55°
46°
27
57°
39°
28
57°
35°
29
56°
34°
30
50°
35°
31
53°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Valparaiso
Valparaiso's October 2026 forecast shows daily high temperatures ranging from 50° to 78°, with overnight lows between 34° and 54°. The average high for October is 66° 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 Valparaiso. See also: November | December | January.
