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Observed at: Region of Waterloo Int'l Airport 4:00 AM EDT Wednesday 21 May 2025 Condition: Cloudy Temperature: 8.0°C Pressure: 101.2 kPa Visibility: 16 km Humidity: 73 % Dewpoint: 3.5°C Wind: E 28 km/h Air Quality Health Index: 1
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Observed at: Region of Waterloo Int'l Airport 12:00 AM EDT Wednesday 21 May 2025 Condition: Cloudy Temperature: 8.7°C Pressure: 101.4 kPa Visibility: 16 km Humidity: 68 % Dewpoint: 3.2°C Wind: E 21 km/h gust 39 km/h Air Quality Health Index: 2
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Observed at: Region of Waterloo Int'l Airport 8:00 PM EDT Tuesday 20 May 2025 Condition: Mostly Cloudy Temperature: 11.3°C Pressure: 101.5 kPa Visibility: 16 km Humidity: 57 % Dewpoint: 3.1°C Wind: E 18 km/h gust 32 km/h Air Quality Health Index: 2
Cloudy. 40 percent chance of showers early in the morning. Periods of rain beginning in the morning. Amount 5 to 10 mm. Wind east 20 km/h gusting to 40. High 12. UV index 2 or low. Forecast issued 6:00 PM EDT Tuesday 20 May 2025
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Observed at: Region of Waterloo Int'l Airport 4:00 PM EDT Tuesday 20 May 2025 Condition: Sunny Temperature: 16.3°C Pressure: 101.6 kPa Visibility: 16 km Humidity: 42 % Dewpoint: 3.3°C Wind: E 18 km/h gust 30 km/h Air Quality Health Index: 2
Increasing cloudiness early this evening. 40 percent chance of showers before morning. Wind becoming east 20 km/h gusting to 40 early this evening. Low 8. Forecast issued 3:30 PM EDT Tuesday 20 May 2025
Cloudy. 40 percent chance of showers early in the morning. Periods of rain beginning in the morning. Amount 5 to 10 mm. Wind east 30 km/h gusting to 50. High 12. UV index 2 or low. Forecast issued 3:30 PM EDT Tuesday 20 May 2025
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Observed at: Region of Waterloo Int'l Airport 12:00 PM EDT Tuesday 20 May 2025 Condition: Sunny Temperature: 12.5°C Pressure: 101.9 kPa Visibility: 16 km Humidity: 51 % Dewpoint: 2.5°C Wind: NE 13 km/h Air Quality Health Index: 2
Sunny. Increasing cloudiness late this afternoon. Wind becoming east 20 km/h late this afternoon. High 17. UV index 8 or very high. Forecast issued 11:00 AM EDT Tuesday 20 May 2025
Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 12. UV index 2 or low. Forecast issued 11:00 AM EDT Tuesday 20 May 2025
We now have new location pages! To ensure you are retrieving the location closest to you please visit weather.gc.ca/canada_e.html for all our new locations!