St. Catharines Airport, Ontario

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Latitude 43.19° N | Longitude 79.17° W

Past 24 Hour Conditions

Date / Time
(EDT)
Conditions Temperature
(°C)
Wind
(km/h)
Humidex Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
15 August 2018
00:00 n/a 20  (20.3)   SW 11 26 83 17 101.2 n/a
14 August 2018
23:00 n/a 24  (24.1) W 10 30 67 18 101.1 n/a
22:00 n/a 25  (25.3) W 14 32 67 19 101.1 n/a
21:00


Partly Cloudy

27  (26.8) WNW 24 33 62 19 101.0 24
20:00


Partly Cloudy

28  (27.6) WSW 17 gust 28 34 56 18 101.0 24
19:00


Partly Cloudy

28  (27.9) SW 17 35 59 19 101.0 24
18:00


Partly Cloudy

29  (29.1) SSW 21 35 51 18 101.0 24
17:00


Partly Cloudy

30  (30.3)   W 14 gust 27 35 42 16 101.1 24
16:00


Partly Cloudy

30  (29.8) W 8 32 33 12 101.1 24
15:00


Mostly Cloudy

28  (28.1) WNW 12 32 44 15 101.2 24
14:00


Mostly Cloudy

27  (26.8) WNW 11 32 52 16 101.2 24
13:00


Mostly Cloudy

25  (25.2) W 16 31 64 18 101.2 24
12:00


Mostly Cloudy

25  (25.2) WNW 10 31 64 18 101.3 24
11:00


Mostly Cloudy

24  (24.4) WNW 14 30 68 18 101.3 24
10:00


Mostly Cloudy

24  (24.1) WNW 13 31 72 19 101.3 24
09:00


Mostly Cloudy

24  (24.4) WNW 12 31 69 18 101.3 24
08:00


Cloudy

23  (22.6) WNW 6 29 79 19 101.3 24
07:00


Mostly Cloudy

21  (21.0) WSW 8 28 88 19 101.3 24
06:00 n/a 21  (20.6) SW 7 28 94 20 101.3 n/a
05:00 n/a 22  (22.1) W 8 29 85 20 101.3 n/a
04:00 n/a 21  (21.0) SSW 8 28 91 20 101.3 n/a
03:00 n/a 22  (21.5) WSW 8 29 88 20 101.3 n/a
02:00 n/a 21  (21.2) W 10 29 93 20 101.4 n/a
01:00 n/a 21  (20.7) SSW 9 29 100 21 101.4 n/a
00:00 n/a 21  (21.0) ESE 2 29 100 21 101.5 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

What we are doing

Features

UV Index and sun protection

Play it safe!

Extreme Heat Protection

Be weather wise!

Lightning Safety

When thunder roars, GO INDOORS!

Date modified: