St. Marys, ON Weather

00:00  Thursday Artboard
Clear 18° Feels like 18° First Quarter
Illuminated: 92%
reloj Hourly
Clear skies for the next few hours
  • Today
    1 June
    Clear skies 32° / 14° Calm 12 - 24
    km/h
  • Tomorrow
    2 June
    Sunny intervals 32° / 17° Calm 20 - 44
    km/h
  • Saturday
    3 June
    Sunny intervals 28° / 17° Calm 19 - 38
    km/h
  • Sunday
    4 June
    Sunny intervals 24° / 12° Calm 19 - 41
    km/h
  • Monday
    5 June
    Sunny intervals 27° / 11° Calm 22 - 47
    km/h
  • Tuesday
    6 June
    Clear skies 26° / 14° Calm 23 - 50
    km/h
  • Wednesday
    7 June
    Clear skies 24° / 11° Calm 18 - 44
    km/h

Weather Forecast for St. Marys, ON Today

, 1 June

Tomorrow

, 2 June
01:00 Clear 18° Clear
Feels Like 18°
Calm Northeast 8 - 14 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 63%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 18 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1019 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 4100 m
02:00 Clear 17° Clear
Feels Like 17°
Calm Northeast 8 - 14 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 17 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1019 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 4100 m
03:00 Clear 16° Clear
Feels Like 16°
Calm Northeast 8 - 14 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 69%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 16 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1019 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 4100 m
04:00 Clear 16° Clear
Feels Like 16°
Calm Northeast 8 - 14 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 16 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1019 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 4100 m
Clear 05:00 Clear 15° Clear
Feels Like 15°
Calm East 8 - 14 km/h UV Index 0 Low SPF: no
Clear 05:00 Clear 15° Clear
Feels Like 15°
Calm East 8 - 14 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 76%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1020 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 4200 m
06:00 Sunny 15° Sunny
Feels Like 15°
Calm East 7 - 11 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 75%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1020 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 4100 m
07:00 Sunny 17° Sunny
Feels Like 17°
Calm East 8 - 14 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 17 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1020 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 4100 m
Sunny 08:00 Sunny 21° Sunny
Feels Like 21°
Calm East 8 - 15 km/h UV Index 1 Low SPF: no
Sunny 08:00 Sunny 21° Sunny
Feels Like 21°
Calm East 8 - 15 km/h UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 56%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1021 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 4100 m
09:00 Sunny 24° Sunny
Feels Like 26°
Calm East 5 - 14 km/h UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 48%
  • Dew Point Dew Point 13 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1021 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 4100 m
10:00 Sunny 27° Sunny
Feels Like 27°
Calm East 7 - 17 km/h UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 35%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1021 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 4100 m
Sunny 11:00 Sunny 29° Sunny
Feels Like 27°
Calm East 6 - 17 km/h UV Index 5 Moderate SPF: 6-10
Sunny 11:00 Sunny 29° Sunny
Feels Like 27°
Calm East 6 - 17 km/h UV Index 5 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 29%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1020 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 4100 m
12:00 Sunny 30° Sunny
Feels Like 28°
Calm Southeast 5 - 17 km/h UV Index 7 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 24%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 28 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1020 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 4200 m
13:00 Sunny 30° Sunny
Feels Like 29°
Calm Southeast 5 - 17 km/h UV Index 8 Very High! SPF: 25-50
  • Rain Rain 0% 0 mm
  • Humidity Humidity 24%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 29 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1019 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 4300 m
Sunny 14:00 Sunny 31° Sunny
Feels Like 29°
Calm Southeast 5 - 17 km/h UV Index 8 Very High! SPF: 25-50
Sunny 14:00 Sunny 31° Sunny
Feels Like 29°
Calm Southeast 5 - 17 km/h UV Index 8 Very High! SPF: 25-50
  • Rain Rain 0% 0 mm
  • Humidity Humidity 23%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 29 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1019 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 4300 m
15:00 Sunny 31° Sunny
Feels Like 29°
Calm East 4 - 17 km/h UV Index 7 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 24%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 29 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1018 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 4300 m
16:00 Sunny intervals 31° Sunny intervals
Feels Like 30°
Calm Southeast 4 - 15 km/h UV Index 5 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 23%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 21%
  • Feels Like Feels Like 30 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 4400 m
Sunny intervals 17:00 Sunny intervals 31° Sunny intervals
Feels Like 30°
Calm South 5 - 17 km/h UV Index 3 Moderate SPF: 6-10
Sunny intervals 17:00 Sunny intervals 31° Sunny intervals
Feels Like 30°
Calm South 5 - 17 km/h UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 24%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 23%
  • Feels Like Feels Like 30 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 17 km/h
  • Snowline Snowline 4400 m
18:00 Sunny intervals 31° Sunny intervals
Feels Like 30°
Calm Southeast 4 - 19 km/h UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 25%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 38%
  • Feels Like Feels Like 30 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 19 km/h
  • Snowline Snowline 4300 m
19:00 Sunny intervals 29° Sunny intervals
Feels Like 28°
Calm Northwest 4 - 23 km/h UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 34%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 14%
  • Feels Like Feels Like 28 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 23 km/h
  • Snowline Snowline 4500 m
Sunny 20:00 Sunny 26° Sunny
Feels Like 27°
Calm Northwest 6 - 24 km/h UV Index 0 Low SPF: no
Sunny 20:00 Sunny 26° Sunny
Feels Like 27°
Calm Northwest 6 - 24 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 43%
  • Dew Point Dew Point 13 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 4500 m
21:00 Clear 24° Clear
Feels Like 26°
Calm North 10 - 20 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 44%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 20 km/h
  • Snowline Snowline 4400 m
22:00 Clear 23° Clear
Feels Like 25°
Calm North 12 - 21 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 49%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 25 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1018 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 21 km/h
  • Snowline Snowline 4300 m
Clear 23:00 Clear 21° Clear
Feels Like 21°
Calm North 8 - 23 km/h UV Index 0 Low SPF: no
Clear 23:00 Clear 21° Clear
Feels Like 21°
Calm North 8 - 23 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 54%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1018 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 23 km/h
  • Snowline Snowline 4300 m
24:00 Clear 20° Clear
Feels Like 20°
Calm Northeast 9 - 15 km/h UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 57%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1018 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 4200 m

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Pollution in St. Marys

Detail
35 Fair O₃ (86 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

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