St. Marys, ON Weather

09:00 Tuesday Artboard
Light rain Light rain 13° Feels like 13° Rainfall 60% 1.5 mm
  • Today 28 May Light rain 90% 4 mm 18° / 10° Calm 22 - 45 km/h
  • Tomorrow 29 May Scattered clouds 18° / Calm 20 - 43 km/h
  • Thursday 30 May Clear 18° / Calm 18 - 38 km/h
  • Friday 31 May Clear 22° / Calm 8 - 21 km/h
  • Saturday 1 June Moderate rain 40% 5.7 mm 23° / Calm 17 - 36 km/h
  • Sunday 2 June Light rain 60% 2.7 mm 22° / 12° Calm 16 - 37 km/h
  • Monday 3 June Scattered clouds 26° / 12° Calm 18 - 40 km/h

Weather Forecast for St. Marys, ON Today

, 28 May

Tomorrow

, 29 May
09:00 Light rain 60% 1.5 mm 13° Light rain
Feels Like 13°
Calm Northwest 19 - 41 km/h
UV Index 1 Low SPF: no
  • Rain Rain 60% 1.5 mm
  • Humidity Humidity 91%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 4 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 2500 m
10:00 Light rain 70% 0.7 mm 12° Light rain
Feels Like 12°
Calm Northwest 18 - 39 km/h
UV Index 1 Low SPF: no
  • Rain Rain 70% 0.7 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 6 km
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Snowline Snowline 2500 m
11:00 Light rain 70% 0.6 mm 13° Light rain
Feels Like 13°
Calm Northwest 18 - 41 km/h
UV Index 2 Low SPF: no
  • Rain Rain 70% 0.6 mm
  • Humidity Humidity 89%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 10 km
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 2500 m
12:00 Light rain 70% 0.2 mm 14° Light rain
Feels Like 14°
Calm West 19 - 41 km/h
UV Index 2 Low SPF: no
  • Rain Rain 70% 0.2 mm
  • Humidity Humidity 84%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 12 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 2600 m
13:00 Light rain 50% 0.2 mm 14° Light rain
Feels Like 14°
Calm West 19 - 41 km/h
UV Index 2 Low SPF: no
  • Rain Rain 50% 0.2 mm
  • Humidity Humidity 81%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 10 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 2600 m
Light rain 14:00 Light rain 40% 0.2 mm 15° Light rain
Feels Like 15°
Calm Northwest 20 - 41 km/h
UV Index 3 Moderate SPF: 6-10
Light rain 14:00 Light rain 50% 0.4 mm 15° Light rain
Feels Like 15°
Calm Northwest 20 - 41 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 40% 0.2 mm
  • Humidity Humidity 78%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 99%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 16 km
  • Wind Wind - Average 20 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 2600 m
15:00 Partly cloudy 16° Partly cloudy
Feels Like 16°
Calm Northwest 22 - 43 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 20% 0 mm
  • Humidity Humidity 69%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 85%
  • Feels Like Feels Like 16 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 22 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 43 km/h
  • Snowline Snowline 2700 m
16:00 High clouds 17° High clouds
Feels Like 17°
Calm Northwest 19 - 45 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 10% 0 mm
  • Humidity Humidity 66%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 55%
  • Feels Like Feels Like 17 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 45 km/h
  • Snowline Snowline 2700 m
Scattered clouds 17:00 Scattered clouds 17° Scattered clouds
Feels Like 17°
Calm Northwest 18 - 45 km/h
UV Index 2 Low SPF: no
Scattered clouds 17:00 Scattered clouds 17° Scattered clouds
Feels Like 17°
Calm Northwest 18 - 45 km/h
UV Index 2 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 46%
  • Feels Like Feels Like 17 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 45 km/h
  • Snowline Snowline 2700 m
18:00 Scattered clouds 17° Scattered clouds
Feels Like 17°
Calm Northwest 17 - 37 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 30%
  • Feels Like Feels Like 17 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 37 km/h
  • Snowline Snowline 2800 m
19:00 Scattered clouds 17° Scattered clouds
Feels Like 17°
Calm Northwest 15 - 35 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 48%
  • Feels Like Feels Like 17 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 35 km/h
  • Snowline Snowline 2800 m
Scattered clouds 20:00 Scattered clouds 16° Scattered clouds
Feels Like 16°
Calm Northwest 11 - 37 km/h
UV Index 0 Low SPF: no
Scattered clouds 20:00 Scattered clouds 16° Scattered clouds
Feels Like 16°
Calm Northwest 11 - 37 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 72%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 52%
  • Feels Like Feels Like 16 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 37 km/h
  • Snowline Snowline 2700 m
21:00 Scattered clouds 14° Scattered clouds
Feels Like 14°
Calm Northwest 11 - 21 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 81%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 49%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 21 km/h
  • Snowline Snowline 2800 m
22:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm Northwest 10 - 19 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 89%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 42%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 19 km/h
  • Snowline Snowline 2800 m
Scattered clouds 23:00 Scattered clouds 11° Scattered clouds
Feels Like 11°
Calm Northwest 8 - 21 km/h
UV Index 0 Low SPF: no
Scattered clouds 23:00 Scattered clouds 11° Scattered clouds
Feels Like 11°
Calm Northwest 8 - 21 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 94%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 23%
  • Feels Like Feels Like 11 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 21 km/h
  • Snowline Snowline 2700 m
24:00 Clear sky 10° Clear sky
Feels Like 10°
Calm Northwest 9 - 16 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 96%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 8%
  • Feels Like Feels Like 10 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 km/h
  • Snowline Snowline 2600 m

Pollution in St. Marys

Detail
30
Fair O₃ (73 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
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