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Halton Hills, Ontario

48°F
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Halton Hills

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48°
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Halton Hills, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

October

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
27
76°
54°
28
71°
60°
29
71°
61°
30
74°
56°
1
74°
63°
2
67°
47°
3
62°
46°
4
71°
46°
5
61°
42°
6
58°
38°
7
73°
51°
8
66°
46°
9
69°
44°
10
60°
39°
11
63°
48°
12
71°
57°
13
84°
61°
14
61°
50°
15
55°
49°
16
65°
40°
17
51°
34°
18
Nice with sunshine
62°
42°
19
Plenty of sunshine
66°
45°
20
Sunlit and pleasant
62°
42°
21
Plenty of sunshine
59°
42°
22
Mostly sunny and nice
63°
41°
23
Mostly cloudy and cooler
55°
42°
24
Mostly sunny
57°
44°
25
Sun followed by clouds
61°
43°
26
Sunshine and some clouds
60°
42°
27
Plenty of sunshine
54°
42°
28
Mostly sunny
52°
41°
29
Sun and clouds
53°
42°
30
Cloudy
56°
44°
31
Clouds and sun with a shower
46°
41°

Temperature Graph

°F
90° 78° 66° 54° 42° Oct
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

October Weather in Halton Hills

Halton Hills's October 2026 forecast shows daily high temperatures ranging from 46° to 66°, with overnight lows between 41° and 45°. The average high for October is 58° with an average low of 42°. 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 Halton Hills. See also: November | December | January.

Further Ahead

November 2026

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January 2027

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World North America Canada Ontario Halton Hills

Weather Near Halton Hills:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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