St. Marys, ON Weather

23:45 Thursday Artboard
Partly cloudy Partly cloudy Feels like -1° Last Quarter Last Quarter Illuminated: 63%
  • Today 21 Nov. Partly cloudy / -2° Calm 16 - 46 km/h
  • Tomorrow 22 Nov. Partly cloudy / Calm 31 - 57 km/h
  • Saturday 23 Nov. Light rain 70% 1.9 mm / Calm 29 - 57 km/h
  • Sunday 24 Nov. Partly cloudy / Calm 16 - 32 km/h
  • Monday 25 Nov. Light rain 70% 0.8 mm 11° / Calm 17 - 34 km/h
  • Tuesday 26 Nov. Rain and snow 70% 2.1 mm / Calm 24 - 51 km/h
  • Wednesday 27 Nov. Light rain 60% 0.5 mm / Calm 12 - 28 km/h

Weather Forecast for St. Marys, ON Today

, 21 November

Tomorrow

, 22 November
17:00 Overcast Overcast
Feels Like
Calm East 3 - 14 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point -2 °C
  • Clouds Clouds 98%
  • Feels Like Feels Like 3 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1004 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 700 m
18:00 Partly cloudy Partly cloudy
Feels Like
Calm East 4 - 6 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 84%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 80%
  • Feels Like Feels Like 1 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1005 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 6 km/h
  • Snowline Snowline 700 m
19:00 Partly cloudy Partly cloudy
Feels Like
Calm Northeast 2 - 14 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 85%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 72%
  • Feels Like Feels Like 2 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1005 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 700 m
20:00 Partly cloudy Partly cloudy
Feels Like
Calm North 4 - 5 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 87%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 65%
  • Feels Like Feels Like 0 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1005 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 5 km/h
  • Snowline Snowline 700 m
21:00 Partly cloudy Partly cloudy
Feels Like -1°
Calm North 7 - 11 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 88%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 74%
  • Feels Like Feels Like -1 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1005 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 700 m
22:00 Partly cloudy Partly cloudy
Feels Like -1°
Calm North 9 - 15 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 83%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 84%
  • Feels Like Feels Like -1 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1006 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 700 m
23:00 Overcast Overcast
Feels Like -1°
Calm North 13 - 21 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 78%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like -1 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1006 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 21 km/h
  • Snowline Snowline 800 m
24:00 Partly cloudy Partly cloudy
Feels Like -1°
Calm North 13 - 24 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 76%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 57%
  • Feels Like Feels Like -1 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1005 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 900 m

Air quality in St. Marys today

Detail
27
Fair O₃ (64 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs

Maximum Minimum Rainfall
Videos
Snow blankets several neighbourhoods in Paris, France
Snow blankets several neighbourhoods in Paris, France