St. Marks - Weather - Environment Canada Environment Canada https://weather.gc.ca 2026-08-19T15:05:25Z tag:weather.gc.ca,2013-04-16:20260819150525 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, St. Marks 2026-07-30T09:58:05Z 2026-07-30T09:58:05Z No watches or warnings in effect. tag:weather.gc.ca,2013-04-16:50.197-98.057_w1:20260730095805 Current Conditions: Partly Cloudy, 18.7°C 2026-08-19T15:00:00Z 2026-08-19T15:00:00Z Observed at: Portage Southport Airport 10:00 AM CDT Wednesday 19 August 2026
Condition: Partly Cloudy
Temperature: 18.7°C
Pressure / Tendency: 101.4 kPa rising
Visibility: 19 km
Humidity: 62 %
Dewpoint: 11.2°C
Wind: W 8 km/h
Air Quality Health Index: n/a
]]> tag:weather.gc.ca,2013-04-16:50.197-98.057_cc:20260819150000 Wednesday: Chance of showers. High 26. POP 30% 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Sunny. Increasing cloudiness near noon then 30 percent chance of showers late this afternoon. Fog patches dissipating this morning. High 26. Humidex 27. UV index 6 or high. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc0:20260819100000 Wednesday night: Chance of showers. Low 14. POP 30% 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Mainly cloudy with 30 percent chance of showers. Low 14. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc1:20260819100000 Thursday: Chance of showers. High 24. POP 30% 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z A mix of sun and cloud. 30 percent chance of showers in the morning. High 24. Humidex 29. UV index 6 or high. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc2:20260819100000 Thursday night: Cloudy periods. Low 12. 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Clearing. Low 12. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc3:20260819100000 Friday: Chance of showers. High 24. POP 60% 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z A mix of sun and cloud with 60 percent chance of showers. High 24. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc4:20260819100000 Friday night: Cloudy periods. Low 10. 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Clear. Low 10. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc5:20260819100000 Saturday: Sunny. High 24. 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Sunny. High 24. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc6:20260819100000 Saturday night: Clear. Low 10. 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Clear. Low 10. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc7:20260819100000 Sunday: Sunny. High 27. 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Sunny. High 27. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc8:20260819100000 Sunday night: Cloudy periods. Low 13. 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Cloudy periods. Low 13. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc9:20260819100000 Monday: Chance of showers. High 26. POP 60% 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Cloudy with 60 percent chance of showers. High 26. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc10:20260819100000 Monday night: Cloudy periods. Low 14. 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z Cloudy periods. Low 14. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc11:20260819100000 Tuesday: A mix of sun and cloud. High 27. 2026-08-19T10:00:00Z 2026-08-19T10:00:00Z A mix of sun and cloud. High 27. Forecast issued 5:00 AM CDT Wednesday 19 August 2026 tag:weather.gc.ca,2013-04-16:50.197-98.057_fc12:20260819100000