S
M
T
W
T
F
S
27
75°
46°
28
N/A
29
75°
47°
30
74°
57°
1
76°
63°
2
93°
44°
3
93°
39°
4
93°
44°
5
62°
39°
6
93°
38°
7
94°
49°
8
93°
42°
9
68°
37°
10
94°
54°
11
98°
58°
12
74°
64°
13
83°
56°
14
65°
47°
15
59°
55°
16
59°
34°
17
53°
39°
18
60°
48°
19
62°
51°
20
65°
52°
21
66°
51°
22
63°
50°
23
60°
47°
24
58°
46°
25
55°
43°
26
63°
46°
27
60°
40°
28
50°
38°
29
50°
41°
30
51°
45°
31
61°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Blenheim
Blenheim's October 2026 forecast shows daily high temperatures ranging from 50° to 83°, with overnight lows between 34° and 64°. The average high for October is 61° with an average low of 47°. 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 Blenheim. See also: November | December | January.
