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Harrow AAFC, Ontario

Latitude 42.03° N | Longitude 82.9° W

Past 24 Hour Conditions

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Date / Time
(EDT)		 Conditions Temperature
(°C)		 Wind
(km/h)		 Relative
humidity
(%)		 Dew
point
(°C)		 Pressure
(kPa)		 Visibility
(km)
10 May 2026
07:00 n/a 6  (6.2) NNE 3 96 6 101.5 n/a
06:00 n/a 6  (5.6)   NNE 5 97 5 101.4 n/a
05:00 n/a 7  (6.8) NNE 4 90 5 101.4 n/a
04:00 n/a 9  (8.5) NE 9 79 5 101.2 n/a
03:00 n/a 10  (9.6) N 6 63 3 101.1 n/a
02:00 n/a 10  (10.1) NNE 9 75 6 101.0 n/a
01:00 n/a 11  (11.3) NNE 10 69 6 100.9 n/a
00:00 n/a 14  (13.5) NNE 15 gusts 28 62 6 100.8 n/a
09 May 2026
23:00 n/a 15  (14.9) WNW 8 93 14 100.7 n/a
22:00 n/a 15  (14.8) WSW 5 91 13 100.6 n/a
21:00 n/a 16  (16.0) WSW 10 77 12 100.5 n/a
20:00 n/a 16  (16.4) SW 19 75 12 100.4 n/a
19:00 n/a 17  (16.8) SW 28 gusts 37 76 13 100.4 n/a
18:00 n/a 17  (17.1) WSW 24 71 12 100.3 n/a
17:00 n/a 16  (15.8) WNW 21 gusts 34 77 12 100.4 n/a
16:00 n/a 15  (14.7) W 13 gusts 39 86 12 100.3 n/a
15:00 n/a 20  (19.8)   SW 23 gusts 43 58 11 100.3 n/a
14:00 n/a 18  (18.0) SW 21 gusts 35 63 11 100.4 n/a
13:00 n/a 17  (17.4) SW 21 gusts 34 76 13 100.4 n/a
12:00 n/a 16  (15.5) SSW 22 gusts 34 87 13 100.4 n/a
11:00 n/a 15  (14.7) SW 21 gusts 35 97 14 100.5 n/a
10:00 n/a 13  (12.8) SW 18 gusts 30 100 13 100.6 n/a
09:00 n/a 12  (12.2) SW 17 gusts 29 100 12 100.6 n/a
08:00 n/a 12  (12.2) WSW 12 gusts 28 100 12 100.6 n/a
07:00 n/a 12  (11.8) WSW 17 100 12 100.6 n/a
Legend
n/a: not available

This table displays weather elements available for this station

Highest temperature
Lowest temperature

Equal temperature values are all highlighted

This is an automated product, generated using preliminary data.

If you require additional historical weather information, please visit Climate website.

Highlighting criteria

Significant Weather Conditions

To highlight potentially dangerous weather conditions the following are displayed in bold characters:

  • Tornado
  • Funnel Cloud
  • Thunderstorm
  • Lightning
  • Hail
  • Freezing precipitation
  • Heavy precipitation
  • Any other weather condition, if the visibility is 1.0 km0.6 miles or less

In addition some weather elements are displayed in bold characters when they reach the following values:

Temperatures:

  • Hot: 30.0°C86°F and higher
  • Cold: -30.0°C-22°F and lower
Humidex:
  • Values of 3595 and more
Wind chill
  • Values of -35-31 and below

Winds:

  • Mean speed of 60 km/h37 mph or more
  • Gust speed of 90 km/h56 mph or more

Visibility:

  • 1.0 km0.6 miles or less along with the weather conditions

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