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St. Marys, ON Weather

05:00  Sunday
Overcast -2° Feels like -4° First Quarter
Illuminated: 3%
Hourly
Heavy fog for the next few hours
  • Today
    5 Dec.
    90%
    13 mm
    / -3° 29 - 57
    km/h
  • Tomorrow
    6 Dec.
    90%
    8.9 mm
    11° / -4° 36 - 72
    km/h
  • Tuesday
    7 Dec.
    30%
    0.4 mm
    -2° / -8° 25 - 47
    km/h
  • Wednesday
    8 Dec.
    -2° / -8° 8 - 21
    km/h
  • Thursday
    9 Dec.
    60%
    2.2 mm
    / -8° 26 - 50
    km/h
  • Friday
    10 Dec.
    70%
    1.1 mm
    / 19 - 49
    km/h
  • Saturday
    11 Dec.
    80%
    9.9 mm
    / -7° 21 - 41
    km/h

Weather Forecast for St. Marys, ON Today

, 5 December

Tomorrow

, 6 December
06:00 -2° Overcast
Feels Like -4°
Southwest 4 - 8 km/h 0 Low SPF: no
  • Rain 0% 0 mm
  • Humidity 79%
  • Dew Point -6 °C
  • Clouds 100%
  • Feels Like -4 °C
  • Visibility 35 km
  • Wind - Average 4 km/h
  • Pressure 1027 hPa
  • Fog No
  • Wind - Gusts 8 km/h
  • Snowline 0 m
07:00 -2° Overcast
Feels Like -3°
West 4 - 11 km/h 0 Low SPF: no
  • Rain 0% 0 mm
  • Humidity 82%
  • Dew Point -5 °C
  • Clouds 100%
  • Feels Like -3 °C
  • Visibility 25 km
  • Wind - Average 4 km/h
  • Pressure 1027 hPa
  • Fog No
  • Wind - Gusts 11 km/h
  • Snowline 0 m
08:00 -2° Overcast
Feels Like -2°
East 2 - 5 km/h 0 Low SPF: no
  • Rain 0% 0 mm
  • Humidity 84%
  • Dew Point -5 °C
  • Clouds 100%
  • Feels Like -2 °C
  • Visibility 25 km
  • Wind - Average 2 km/h
  • Pressure 1027 hPa
  • Fog No
  • Wind - Gusts 5 km/h
  • Snowline 0 m
09:00 -1° Overcast
Feels Like -3°
East 5 - 11 km/h 0 Low SPF: no
  • Rain 0% 0 mm
  • Humidity 74%
  • Dew Point -5 °C
  • Clouds 100%
  • Feels Like -3 °C
  • Visibility 18 km
  • Wind - Average 5 km/h
  • Pressure 1027 hPa
  • Fog No
  • Wind - Gusts 11 km/h
  • Snowline 100 m
10:00 -1° Overcast
Feels Like -4°
Southeast 10 - 21 km/h 0 Low SPF: no
  • Rain 0% 0 mm
  • Humidity 68%
  • Dew Point -6 °C
  • Clouds 100%
  • Feels Like -4 °C
  • Visibility 12 km
  • Wind - Average 10 km/h
  • Pressure 1027 hPa
  • Fog No
  • Wind - Gusts 21 km/h
  • Snowline 200 m
11:00 30% 0.1 mm Snow
Feels Like -4°
Southeast 14 - 28 km/h 1 Low SPF: no
11:00 30% 0.2 mm Snow
Feels Like -4°
Southeast 14 - 28 km/h 1 Low SPF: no
  • Rain 30% 0.1 mm
  • Humidity 67%
  • Dew Point -6 °C
  • Clouds 100%
  • Feels Like -4 °C
  • Visibility 10 km
  • Wind - Average 14 km/h
  • Pressure 1026 hPa
  • Fog No
  • Wind - Gusts 28 km/h
  • Snowline 300 m
12:00 30% 0.1 mm Snow
Feels Like -4°
Southeast 15 - 30 km/h 1 Low SPF: no
  • Rain 30% 0.1 mm
  • Humidity 67%
  • Dew Point -6 °C
  • Clouds 100%
  • Feels Like -4 °C
  • Visibility 8 km
  • Wind - Average 15 km/h
  • Pressure 1024 hPa
  • Fog No
  • Wind - Gusts 30 km/h
  • Snowline 300 m
13:00 30% 0.2 mm -1° Snow
Feels Like -5°
Southeast 17 - 32 km/h 1 Low SPF: no
  • Rain 30% 0.2 mm
  • Humidity 69%
  • Dew Point -5 °C
  • Clouds 100%
  • Feels Like -5 °C
  • Visibility 6 km
  • Wind - Average 17 km/h
  • Pressure 1023 hPa
  • Fog No
  • Wind - Gusts 32 km/h
  • Snowline 200 m
14:00 30% 0.2 mm Snow
Feels Like -5°
East 19 - 37 km/h 0 Low SPF: no
14:00 30% 0.4 mm Snow
Feels Like -5°
East 19 - 37 km/h 0 Low SPF: no
  • Rain 30% 0.2 mm
  • Humidity 68%
  • Dew Point -6 °C
  • Clouds 98%
  • Feels Like -5 °C
  • Visibility 16 km
  • Wind - Average 19 km/h
  • Pressure 1021 hPa
  • Fog No
  • Wind - Gusts 37 km/h
  • Snowline 200 m
15:00 Overcast
Feels Like -5°
East 21 - 40 km/h 0 Low SPF: no
  • Rain 0% 0 mm
  • Humidity 67%
  • Dew Point -5 °C
  • Clouds 100%
  • Feels Like -5 °C
  • Visibility 55 km
  • Wind - Average 21 km/h
  • Pressure 1020 hPa
  • Fog No
  • Wind - Gusts 40 km/h
  • Snowline 300 m
16:00 Overcast
Feels Like -6°
East 23 - 45 km/h 0 Low SPF: no
  • Rain 0% 0 mm
  • Humidity 70%
  • Dew Point -5 °C
  • Clouds 100%
  • Feels Like -6 °C
  • Visibility 50 km
  • Wind - Average 23 km/h
  • Pressure 1017 hPa
  • Fog No
  • Wind - Gusts 45 km/h
  • Snowline 1500 m
17:00 Overcast
Feels Like -6°
East 28 - 49 km/h 0 Low SPF: no
17:00 70% 0.3 mm Overcast
Feels Like -6°
East 28 - 49 km/h 0 Low SPF: no
  • Rain 10% 0 mm
  • Humidity 70%
  • Dew Point -5 °C
  • Clouds 100%
  • Feels Like -6 °C
  • Visibility 18 km
  • Wind - Average 28 km/h
  • Pressure 1015 hPa
  • Fog No
  • Wind - Gusts 49 km/h
  • Snowline 1400 m
18:00 70% 0.3 mm Sleet
Feels Like -6°
East 29 - 56 km/h 0 Low SPF: no
  • Rain 70% 0.3 mm
  • Humidity 69%
  • Dew Point -5 °C
  • Clouds 100%
  • Feels Like -6 °C
  • Visibility 6 km
  • Wind - Average 29 km/h
  • Pressure 1013 hPa
  • Fog No
  • Wind - Gusts 56 km/h
  • Snowline 2100 m
19:00 90% 2.2 mm Sleet
Feels Like -5°
East 21 - 56 km/h 0 Low SPF: no
  • Rain 90% 2.2 mm
  • Humidity 83%
  • Dew Point -3 °C
  • Clouds 100%
  • Feels Like -5 °C
  • Visibility 3 km
  • Wind - Average 21 km/h
  • Pressure 1013 hPa
  • Fog No
  • Wind - Gusts 56 km/h
  • Snowline 1900 m
20:00 90% 1.9 mm Sleet
Feels Like -5°
East 26 - 47 km/h 0 Low SPF: no
20:00 90% 6 mm Sleet
Feels Like -5°
East 26 - 47 km/h 0 Low SPF: no
  • Rain 90% 1.9 mm
  • Humidity 87%
  • Dew Point -2 °C
  • Clouds 100%
  • Feels Like -5 °C
  • Visibility 3 km
  • Wind - Average 26 km/h
  • Pressure 1010 hPa
  • Fog No
  • Wind - Gusts 47 km/h
  • Snowline 2500 m
21:00 90% 1.9 mm Sleet
Feels Like -4°
Southeast 23 - 50 km/h 0 Low SPF: no
  • Rain 90% 1.9 mm
  • Humidity 90%
  • Dew Point -1 °C
  • Clouds 100%
  • Feels Like -4 °C
  • Visibility 4 km
  • Wind - Average 23 km/h
  • Pressure 1009 hPa
  • Fog No
  • Wind - Gusts 50 km/h
  • Snowline 2800 m
22:00 90% 1.5 mm Light rain shower
Feels Like -3°
Southeast 23 - 51 km/h 0 Low SPF: no
  • Rain 90% 1.5 mm
  • Humidity 92%
  • Dew Point 1 °C
  • Clouds 100%
  • Feels Like -3 °C
  • Visibility 3 km
  • Wind - Average 23 km/h
  • Pressure 1007 hPa
  • Fog No
  • Wind - Gusts 51 km/h
  • Snowline 2700 m
23:00 90% 2.9 mm Heavy rain shower
Feels Like -1°
Southeast 19 - 52 km/h 0 Low SPF: no
23:00 90% 6.3 mm Heavy rain shower
Feels Like -1°
Southeast 19 - 52 km/h 0 Low SPF: no
  • Rain 90% 2.9 mm
  • Humidity 94%
  • Dew Point 2 °C
  • Clouds 100%
  • Feels Like -1 °C
  • Visibility 3 km
  • Wind - Average 19 km/h
  • Pressure 1005 hPa
  • Fog No
  • Wind - Gusts 52 km/h
  • Snowline 2800 m
24:00 90% 1.9 mm Light rain shower
Feels Like
South 23 - 40 km/h 0 Low SPF: no
  • Rain 90% 1.9 mm
  • Humidity 94%
  • Dew Point 5 °C
  • Clouds 100%
  • Feels Like 3 °C
  • Visibility 3 km
  • Wind - Average 23 km/h
  • Pressure 1003 hPa
  • Fog No
  • Wind - Gusts 40 km/h
  • Snowline 2600 m

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