St. Marys, ON Weather

19:00 Thursday Artboard
Scattered clouds Scattered clouds 14° Feels like 14° Southwest Southwest 4 - 14 km/h
reloj Hourly Cloudy skies for the next few hours
  • Today 18 April Partly cloudy 15° / 8° Calm 24 - 49 km/h
  • Tomorrow 19 April Moderate rain 90% 5.9 mm 14° / 4° Calm 24 - 51 km/h
  • Saturday 20 April Light rain 30% 0.3 mm 6° / 1° Calm 27 - 57 km/h
  • Sunday 21 April Scattered clouds 11° / -1° Calm 28 - 57 km/h
  • Monday 22 April Scattered clouds 12° / -4° Calm 16 - 33 km/h
  • Tuesday 23 April Light rain 80% 6.8 mm 16° / 4° Calm 29 - 60 km/h
  • Wednesday 24 April Light rain 70% 1.1 mm 10° / -3° Calm 32 - 70 km/h

Weather Forecast for St. Marys, ON Today

, 18 April

Tomorrow

, 19 April
17:00 Partly cloudy 14° Partly cloudy
Feels Like 14°
Calm West 11 - 36 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 60%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 63%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 3300 m
18:00 Scattered clouds 14° Scattered clouds
Feels Like 14°
Calm West 5 - 24 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 60%
  • Dew Point Dew Point 6 °C
  • Clouds Clouds 45%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 3200 m
19:00 Scattered clouds 14° Scattered clouds
Feels Like 14°
Calm Southwest 4 - 14 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 64%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 54%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 3100 m
20:00 Partly cloudy 12° Partly cloudy
Feels Like 12°
Calm East 2 - 24 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 73%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 3100 m
21:00 Partly cloudy 10° Partly cloudy
Feels Like 10°
Calm Southeast 7 - 10 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 79%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 91%
  • Feels Like Feels Like 10 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 10 km/h
  • Snowline Snowline 3100 m
22:00 Partly cloudy 10° Partly cloudy
Feels Like 10°
Calm South 9 - 17 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 80%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 64%
  • Feels Like Feels Like 10 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 3000 m
23:00 Partly cloudy 9° Partly cloudy
Feels Like 8°
Calm South 8 - 17 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 87%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 62%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 2900 m
24:00 Partly cloudy 9° Partly cloudy
Feels Like 8°
Calm South 6 - 14 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 85%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 73%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 2900 m

Pollution in St. Marys

Detail
31
Fair O₃ (76 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs

Maximum Minimum Rainfall

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