Cornwall, ON Weather

06:00 Saturday Artboard
Overcast Overcast 1° Feels like -3° Last Quarter Last Quarter Illuminated: 78%
  • Today 18 Jan. Snow 90% 3.7 mm 4° / -4° Calm 21 - 41 km/h
  • Tomorrow 19 Jan. Partly cloudy 0° / -18° Calm 21 - 42 km/h
  • Monday 20 Jan. Partly cloudy -16° / -23° Calm 10 - 23 km/h
  • Tuesday 21 Jan. Partly cloudy -12° / -24° Calm 20 - 44 km/h
  • Wednesday 22 Jan. Scattered clouds -13° / -23° Calm 14 - 25 km/h
  • Thursday 23 Jan. Overcast -6° / -17° Calm 20 - 45 km/h
  • Friday 24 Jan. Partly cloudy -1° / -7° Calm 22 - 44 km/h

Weather Forecast for Cornwall, ON Today

, 18 January

Tomorrow

, 19 January
07:00 Overcast 1° Overcast
Feels Like -3°
Calm Southwest 18 - 34 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 12 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1007 hPa
  • Snowline Snowline 1200 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Visibility Visibility 45 km
08:00 Overcast 1° Overcast
Feels Like -3°
Calm Southwest 18 - 34 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 12 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1007 hPa
  • Snowline Snowline 900 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Visibility Visibility 45 km
09:00 Overcast 2° Overcast
Feels Like -2°
Calm Southwest 16 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point -3 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 12 cm
  • Feels Like Feels Like -2 °C
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1007 hPa
  • Snowline Snowline 600 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Visibility Visibility 40 km
10:00 Overcast 2° Overcast
Feels Like -1°
Calm South 15 - 34 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point -3 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 12 cm
  • Feels Like Feels Like -1 °C
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1007 hPa
  • Snowline Snowline 600 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Visibility Visibility 20 km
Overcast 11:00 Overcast 3° Overcast
Feels Like 0°
Calm South 15 - 29 km/h
UV Index 1 Low SPF: no
Overcast 11:00 Overcast 3° Overcast
Feels Like 0°
Calm South 15 - 29 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point -3 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like 0 °C
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1006 hPa
  • Snowline Snowline 600 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Visibility Visibility 30 km
12:00 Overcast 3° Overcast
Feels Like -1°
Calm Southwest 19 - 36 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point -2 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -1 °C
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1005 hPa
  • Snowline Snowline 600 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Visibility Visibility 35 km
13:00 Overcast 3° Overcast
Feels Like -1°
Calm Southwest 20 - 39 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 72%
  • Dew Point Dew Point -2 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -1 °C
  • Wind Wind - Average 20 km/h
  • Pressure Pressure 1004 hPa
  • Snowline Snowline 500 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Visibility Visibility 16 km
Light rain 14:00 Light rain 50% 0.2 mm 2° Light rain
Feels Like -2°
Calm Southwest 19 - 38 km/h
UV Index 0 Low SPF: no
Light rain 14:00 Light rain 80% 0.5 mm 2° Rain and snow
Feels Like -2°
Calm Southwest 19 - 38 km/h
UV Index 0 Low SPF: no
  • Rain Rain 50% 0.2 mm
  • Humidity Humidity 79%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -2 °C
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1004 hPa
  • Snowline Snowline 400 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Visibility Visibility 5 km
15:00 Rain and snow 80% 0.3 cm 2° Rain and snow
Feels Like -3°
Calm Southwest 19 - 37 km/h
UV Index 0 Low SPF: no
  • Snow Snow 80% 0.3 cm
  • Humidity Humidity 85%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1004 hPa
  • Snowline Snowline 400 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 37 km/h
  • Visibility Visibility 5 km
16:00 Rain and snow 90% 0.3 cm 2° Rain and snow
Feels Like -3°
Calm Southwest 18 - 38 km/h
UV Index 0 Low SPF: no
  • Snow Snow 90% 0.3 cm
  • Humidity Humidity 88%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1004 hPa
  • Snowline Snowline 400 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Visibility Visibility 5 km
Rain and snow 17:00 Rain and snow 90% 0.3 cm 1° Rain and snow
Feels Like -3°
Calm Southwest 18 - 34 km/h
UV Index 0 Low SPF: no
Rain and snow 17:00 Rain and snow 90% 1 mm 1° Rain and snow
Feels Like -3°
Calm Southwest 18 - 34 km/h
UV Index 0 Low SPF: no
  • Snow Snow 90% 0.3 cm
  • Humidity Humidity 90%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1004 hPa
  • Snowline Snowline 400 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Visibility Visibility 5 km
18:00 Light rain 90% 0.4 mm 1° Light rain
Feels Like -3°
Calm Southwest 18 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 90% 0.4 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1004 hPa
  • Snowline Snowline 400 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Visibility Visibility 4 km
19:00 Light rain 90% 0.5 mm 1° Light rain
Feels Like -3°
Calm Southwest 18 - 34 km/h
UV Index 0 Low SPF: no
  • Rain Rain 90% 0.5 mm
  • Humidity Humidity 93%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1004 hPa
  • Snowline Snowline 300 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Visibility Visibility 4 km
Light rain 20:00 Light rain 90% 0.5 mm 1° Light rain
Feels Like -3°
Calm Southwest 18 - 33 km/h
UV Index 0 Low SPF: no
Light rain 20:00 Light rain 90% 1.6 mm 1° Light rain
Feels Like -3°
Calm Southwest 18 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 90% 0.5 mm
  • Humidity Humidity 94%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1005 hPa
  • Snowline Snowline 300 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Visibility Visibility 3 km
21:00 Light rain 90% 0.6 mm 1° Light rain
Feels Like -3°
Calm West 18 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 90% 0.6 mm
  • Humidity Humidity 96%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -3 °C
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1005 hPa
  • Snowline Snowline 200 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Visibility Visibility 4 km
22:00 Snow 70% 0.3 cm 0° Snow
Feels Like -5°
Calm Northwest 21 - 39 km/h
UV Index 0 Low SPF: no
  • Snow Snow 70% 0.3 cm
  • Humidity Humidity 91%
  • Dew Point Dew Point -2 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -5 °C
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1007 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Visibility Visibility 7 km
Snow 23:00 Snow 40% 0.2 cm -2° Snow
Feels Like -8°
Calm Northwest 19 - 40 km/h
UV Index 0 Low SPF: no
Snow 23:00 Snow 70% 0.5 cm -2° Snow
Feels Like -8°
Calm Northwest 19 - 40 km/h
UV Index 0 Low SPF: no
  • Snow Snow 40% 0.2 cm
  • Humidity Humidity 87%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -8 °C
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1008 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Visibility Visibility 10 km
24:00 Overcast -4° Overcast
Feels Like -10°
Calm Northwest 21 - 41 km/h
UV Index 0 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 81%
  • Dew Point Dew Point -7 °C
  • Clouds Clouds 100%
  • Snow depth Snow depth 11 cm
  • Feels Like Feels Like -10 °C
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1009 hPa
  • Snowline Snowline 0 m
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Visibility Visibility 25 km

Air quality in Cornwall today

Detail
34
Fair O₃ (84 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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