Châteauguay - Weather - Environment Canada Environment Canada https://weather.gc.ca 2026-05-13T06:05:51Z tag:weather.gc.ca,2013-04-16:20260513060551 https://weather.gc.ca/cacheable/images/img/wmms-alt.png https://weather.gc.ca/template/gcweb/v15.0.0/GCWeb/assets/favicon.ico Copyright 2026, Environment Canada No watches or warnings in effect, Châteauguay 2026-05-03T09:19:03Z 2026-05-03T09:19:03Z No watches or warnings in effect. tag:weather.gc.ca,2013-04-16:45.361-73.75_w1:20260503091903 Current Conditions: Cloudy, 9.4°C 2026-05-13T06:00:00Z 2026-05-13T06:00:00Z Observed at: Montréal-Trudeau Int'l Airport 2:00 AM EDT Wednesday 13 May 2026
Condition: Cloudy
Temperature: 9.4°C
Pressure / Tendency: 101.7 kPa falling
Visibility: 24 km
Humidity: 46 %
Dewpoint: -1.5°C
Wind: S 5 km/h
Air Quality Health Index: n/a
]]> tag:weather.gc.ca,2013-04-16:45.361-73.75_cc:20260513060000 Tuesday night: Partly cloudy. Low 7. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Partly cloudy. Wind west 20 km/h becoming light this evening. Low 7. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc0:20260512194500 Wednesday: Rain. High 12. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Increasing cloudiness. Rain beginning near noon. Amount 5 mm. Wind becoming southeast 20 km/h in the morning. High 12. UV index 6 or high. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc1:20260512194500 Wednesday night: Rain. Low 10. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Rain. Amount 10 mm. Low 10. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc2:20260512194500 Thursday: Rain. High 13. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Rain. High 13. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc3:20260512194500 Thursday night: Rain. Low 11. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Rain. Low 11. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc4:20260512194500 Friday: Cloudy. High 17. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Clearing. High 17. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc5:20260512194500 Friday night: Clear. Low 11. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Clear. Low 11. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc6:20260512194500 Saturday: Sunny. High 22. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Sunny. High 22. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc7:20260512194500 Saturday night: Cloudy periods. Low 13. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Cloudy periods. Low 13. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc8:20260512194500 Sunday: A mix of sun and cloud. High 24. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z A mix of sun and cloud. High 24. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc9:20260512194500 Sunday night: Clear. Low 10. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z Clear. Low 10. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc10:20260512194500 Monday: A mix of sun and cloud. High 24. 2026-05-12T19:45:00Z 2026-05-12T19:45:00Z A mix of sun and cloud. High 24. Forecast issued 3:45 PM EDT Tuesday 12 May 2026 tag:weather.gc.ca,2013-04-16:45.361-73.75_fc11:20260512194500