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Hartley Bay, Ontario

52°F
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Hartley Bay

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52°
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Hartley Bay, 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

September

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
30
Cloudy, a shower and t-storm
73°
58°
31
Some rain and a thunderstorm
77°
64°
1
Cloudy, a thunderstorm; warm
80°
62°
2
Warm with rain and a t-storm
78°
56°
3
Pleasant with sunny spells
75°
56°
4
Turning cloudy
74°
57°
5
Cloudy and warm
76°
58°
6
Mostly cloudy, a little rain
75°
58°
7
Mostly cloudy and less humid
76°
57°
8
Occasional rain
72°
54°
9
A little afternoon rain
71°
54°
10
Rather cloudy
69°
49°
11
Partly sunny
69°
48°
12
Mostly sunny
73°
55°
13
Rain in the morning
72°
54°
14
Sun, then clouds
64°
52°
15
Mostly cloudy
70°
54°
16
Cloudy
71°
52°
17
Mostly sunny
67°
50°
18
Partly sunny
64°
50°
19
Sun followed by clouds
69°
52°
20
Rather cloudy
71°
53°
21
Times of clouds and sun
70°
53°
22
A little afternoon rain
70°
52°
23
Mostly sunny and less humid
69°
51°
24
Plenty of sunshine
69°
50°
25
Plenty of sunshine
68°
51°
26
Partly sunny
68°
50°
27
Clouds and sun
69°
51°
28
Sunshine and less humid
69°
48°
29
Mostly sunny
64°
47°
30
Partly sunny
62°
46°
1
Cloudy with showers around
62°
48°
2
Mostly cloudy
65°
49°
3
Decreasing clouds
65°
47°

Temperature Graph

°F
80° 70° 60° 50° 40° Sep
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
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

September Weather in Hartley Bay

Hartley Bay's September 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 46° and 64°. The average high for September is 70° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Hartley Bay. See also: October | November | December.

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Weather Near Hartley Bay:

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