Cornwall, ON Weather

06:00 Tuesday Artboard
Scattered clouds Scattered clouds Feels like First Quarter First Quarter Illuminated: 95%
  • Today 15 Oct. Light rain 90% 3.1 mm / Calm 20 - 41 km/h
  • Tomorrow 16 Oct. Scattered clouds 10° / Calm 17 - 37 km/h
  • Thursday 17 Oct. Clear 13° / Calm 11 - 26 km/h
  • Friday 18 Oct. Clear 17° / Calm 12 - 22 km/h
  • Saturday 19 Oct. Scattered clouds 18° / Calm 14 - 32 km/h
  • Sunday 20 Oct. Clear 19° / Calm 17 - 34 km/h
  • Monday 21 Oct. Clear 20° / 10° Calm 16 - 35 km/h

Weather Forecast for Cornwall, ON Today

, 15 October

Tomorrow

, 16 October
07:00 Scattered clouds Scattered clouds
Feels Like
Calm West 12 - 25 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 90%
  • Dew Point Dew Point 2 °C
  • Clouds Clouds 21%
  • Feels Like Feels Like 1 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 25 km/h
  • Snowline Snowline 700 m
08:00 Scattered clouds Scattered clouds
Feels Like
Calm West 12 - 26 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 85%
  • Dew Point Dew Point 2 °C
  • Clouds Clouds 53%
  • Feels Like Feels Like 2 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 700 m
09:00 Scattered clouds Scattered clouds
Feels Like
Calm West 14 - 29 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 78%
  • Dew Point Dew Point 2 °C
  • Clouds Clouds 38%
  • Feels Like Feels Like 3 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 700 m
10:00 Partly cloudy Partly cloudy
Feels Like
Calm West 17 - 36 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point 2 °C
  • Clouds Clouds 66%
  • Feels Like Feels Like 4 °C
  • Visibility Visibility 55 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 700 m
Overcast 11:00 Overcast Overcast
Feels Like
Calm West 18 - 38 km/h
UV Index 1 Low SPF: no
Overcast 11:00 Overcast Overcast
Feels Like
Calm West 18 - 38 km/h
UV Index 1 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point 2 °C
  • Clouds Clouds 98%
  • Feels Like Feels Like 5 °C
  • Visibility Visibility 55 km
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Snowline Snowline 800 m
12:00 Partly cloudy Partly cloudy
Feels Like
Calm West 18 - 39 km/h
UV Index 2 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point 2 °C
  • Clouds Clouds 73%
  • Feels Like Feels Like 5 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Snowline Snowline 800 m
13:00 Light rain 30% 0.1 mm Light rain
Feels Like
Calm West 17 - 38 km/h
UV Index 1 Low SPF: no
  • Rain Rain 30% 0.1 mm
  • Humidity Humidity 69%
  • Dew Point Dew Point 3 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 6 °C
  • Visibility Visibility 12 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Snowline Snowline 900 m
Light rain 14:00 Light rain 40% 0.3 mm Light rain
Feels Like
Calm West 17 - 39 km/h
UV Index 1 Low SPF: no
Light rain 14:00 Light rain 40% 1.1 mm Light rain
Feels Like
Calm West 17 - 39 km/h
UV Index 1 Low SPF: no
  • Rain Rain 40% 0.3 mm
  • Humidity Humidity 74%
  • Dew Point Dew Point 3 °C
  • Clouds Clouds 99%
  • Feels Like Feels Like 5 °C
  • Visibility Visibility 7 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1009 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Snowline Snowline 900 m
15:00 Light rain 30% 0.7 mm Light rain
Feels Like
Calm West 17 - 36 km/h
UV Index 1 Low SPF: no
  • Rain Rain 30% 0.7 mm
  • Humidity Humidity 79%
  • Dew Point Dew Point 4 °C
  • Clouds Clouds 92%
  • Feels Like Feels Like 5 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1009 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 1000 m
16:00 Partly cloudy Partly cloudy
Feels Like
Calm West 20 - 40 km/h
UV Index 1 Low SPF: no
  • Rain Rain 20% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point 3 °C
  • Clouds Clouds 79%
  • Feels Like Feels Like 5 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 20 km/h
  • Pressure Pressure 1009 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 1000 m
Light rain 17:00 Light rain 60% 0.6 mm Light rain
Feels Like
Calm West 19 - 41 km/h
UV Index 0 Low SPF: no
Light rain 17:00 Light rain 80% 1.1 mm Light rain
Feels Like
Calm West 19 - 41 km/h
UV Index 0 Low SPF: no
  • Rain Rain 60% 0.6 mm
  • Humidity Humidity 79%
  • Dew Point Dew Point 4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 4 °C
  • Visibility Visibility 5 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1009 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 1000 m
18:00 Light rain 80% 0.5 mm Light rain
Feels Like
Calm West 16 - 37 km/h
UV Index 0 Low SPF: no
  • Rain Rain 80% 0.5 mm
  • Humidity Humidity 90%
  • Dew Point Dew Point 5 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 4 °C
  • Visibility Visibility 12 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1009 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 37 km/h
  • Snowline Snowline 900 m
19:00 Light rain 40% 0.1 mm Light rain
Feels Like
Calm West 15 - 31 km/h
UV Index 0 Low SPF: no
  • Rain Rain 40% 0.1 mm
  • Humidity Humidity 91%
  • Dew Point Dew Point 4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 3 °C
  • Visibility Visibility 12 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 31 km/h
  • Snowline Snowline 900 m
Light rain 20:00 Light rain 60% 0.2 mm Light rain
Feels Like
Calm Northwest 16 - 37 km/h
UV Index 0 Low SPF: no
Light rain 20:00 Light rain 70% 0.5 mm Light rain
Feels Like
Calm Northwest 16 - 37 km/h
UV Index 0 Low SPF: no
  • Rain Rain 60% 0.2 mm
  • Humidity Humidity 90%
  • Dew Point Dew Point 4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 2 °C
  • Visibility Visibility 10 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 37 km/h
  • Snowline Snowline 800 m
21:00 Light rain 70% 0.2 mm Light rain
Feels Like
Calm Northwest 16 - 32 km/h
UV Index 0 Low SPF: no
  • Rain Rain 70% 0.2 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 2 °C
  • Visibility Visibility 7 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 32 km/h
  • Snowline Snowline 800 m
22:00 Light rain 60% 0.2 mm Light rain
Feels Like
Calm Northwest 15 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 60% 0.2 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 2 °C
  • Visibility Visibility 9 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 800 m
Light rain 23:00 Light rain 40% 0.1 mm Light rain
Feels Like
Calm Northwest 15 - 33 km/h
UV Index 0 Low SPF: no
Light rain 23:00 Light rain 60% 0.3 mm Light rain
Feels Like
Calm Northwest 15 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 40% 0.1 mm
  • Humidity Humidity 93%
  • Dew Point Dew Point 4 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 2 °C
  • Visibility Visibility 10 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 800 m
24:00 Partly cloudy Partly cloudy
Feels Like
Calm West 14 - 30 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 4 °C
  • Clouds Clouds 95%
  • Feels Like Feels Like 2 °C
  • Visibility Visibility 10 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 30 km/h
  • Snowline Snowline 900 m

Air quality in Cornwall today

Detail
26
Fair O₃ (63 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
Impressive images captured by Hubble of the Herbig-Haro objects HH 1 and HH 2
Impressive images captured by Hubble of the Herbig-Haro objects HH 1 and HH 2