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St. Catharines / Niagara District Airport, Ontario

Latitude 43.19° N Longitude 79.17° W

Past 24 Hour Conditions

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Date / Time
(EDT)		 Conditions Temperature
(°C)		 Wind
(km/h)		 Humidex Relative
humidity
(%)		 Dew
point
(°C)		 Pressure
(kPa)		 Visibility
(km)
02 October 2026
05:00 n/a 17  (16.8)   NNW 18 * 98 16 101.1 n/a
04:00 n/a 17  (17.4) N 19 gusts 28 * 97 17 101.0 n/a
03:00 n/a 19  (19.4) SW 4 * 96 19 101.0 n/a
02:00 n/a 20  (20.1) W 7 26 90 18 101.0 n/a
01:00 n/a 21  (20.9) W 12 27 85 18 101.1 n/a
00:00 n/a 21  (21.2) WSW 11 27 81 18 101.1 n/a
01 October 2026
23:00 n/a 21  (21.3) WSW 15 27 80 18 101.1 n/a
22:00 n/a 21  (21.4) SW 14 27 77 17 101.0 n/a
21:00


Cloudy

 22  (21.7) WSW 13 27 72 17 101.1 24
20:00


Cloudy

 21  (21.2) WSW 12 26 75 17 101.1 24
19:00


Cloudy

 22  (22.1) SW 18 gusts 28 27 69 16 101.1 24
18:00


Light Rainshower

 22  (21.8) SW 13 26 70 16 101.1 24
17:00


Mostly Cloudy

 23  (22.9) SW 18 gusts 31 27 64 16 101.1 24
16:00


Mostly Cloudy

 23  (22.7) SW 23 27 66 16 101.1 24
15:00


Cloudy

 23  (22.7) SW 28 gusts 39 27 65 16 101.1 24
14:00


Mostly Cloudy

 24  (23.6)   SW 26 gusts 41 28 64 16 101.2 24
13:00


Mostly Cloudy

 24  (23.6)   SW 28 gusts 40 28 64 16 101.2 24
12:00


Mostly Cloudy

 23  (23.0) SW 26 28 70 17 101.2 24
11:00


Mostly Cloudy

 21  (20.8) SSW 21 gusts 31 26 80 17 101.2 24
10:00


Mostly Cloudy

 19  (19.4) SSW 24 gusts 35 * 86 17 101.3 24
09:00


Mostly Cloudy

 19  (19.0) SSW 25 * 89 17 101.3 24
08:00


Cloudy

 19  (19.1) SSW 21 gusts 31 * 90 17 101.4 24
07:00


Cloudy

 19  (18.7) SSW 22 * 90 17 101.4 24
06:00 n/a 18  (17.8) S 19 * 91 16 101.4 n/a
05:00 n/a 18  (17.6) S 18 * 93 17 101.4 n/a
Legend
n/a: not available
*: value not significant

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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