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Cornwall, Ontario, Canada
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Weather in Cornwall, Canada

22°
Cloudy
Feels like 22°
30°13°
0%
Time in Cornwall10:30 PM Mon, Dec 6

Upcoming Weather

Tomorrow's weather summary

The weather in Cornwall on Tuesday, December 7th, is going to be clear for most of the day, with cloud overcast before dawn.

There's seems to be also high probability of many clouds in the early morning at about 6 am.

Weather details for Cornwall, on Tuesday, December 7th:

The highest temperature of the day is going to be 38°F around 12 am. The day will have comfortable humidity, with average humidity of 59%, ranging from 35% to a maximum value of 92% at about 12 am. The wind will be strong, and will get up to 21 mph at 9 am, blowing from the west. The cloud coverage will be up to 100%.

The chances of precipitation throughout the day will change between 0% and 65%. The highest chance for precipitation will be around 12 am and the lowest probability around 2 am. The dew point will range from 0°F up to a maximum value of 36°F around 12 am.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1009 hPa. Sunrise will be at 7:01 am, and sunset at 3:43 pm, making it a total of 8 hours and 41 minutes of daylight.

Air quality forecast for Cornwall, on Tuesday, December 7th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 25 and 40.

Pollen forecast for Cornwall, on Tuesday, December 7th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in Cornwall on Wednesday, December 8th, will be cloudy throughout the day, together with clear sky before dawn.

There is also a chance for many clouds before dawn at about 4 am, and flurries during the night at about 10 pm.

Weather information for Cornwall, on Wednesday, December 8th:

The highest temperature during the day will be 16°F at about 2 pm. The day will have comfortable humidity, with average humidity of 49%, ranging from 34% to a maximum value of 63% at about 11 pm. The wind will be light, and will get up to 11 mph at 12 am, blowing from the west. The cloud coverage will be up to 100%.

The precipitation probability will change throughout the day between 0% and 20%. The highest chance for precipitation will be around 11 pm and the lowest probability around 12 am. The dew point will range from -7°F up to a maximum value of 5°F around 11 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1024 hPa. Sunrise will be at 7:03 am, and sunset at 3:43 pm. The day will have 8 hours and 40 minutes of daylight.

Air quality forecast for Cornwall, on Wednesday, December 8th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 37 and 38.

Pollen forecast for Cornwall, on Wednesday, December 8th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Full Details

Air quality

AQI55
0100200300400500
AQI: Moderate

Pollen index

Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Upcoming days

Full Details
Mon
6
16°50°
Tue
7
28°
Wed
8
16°
Thu
9
12°18°
Fri
10
14°33°
Sat
11
29°42°

FAQ

How warm does it get in Cornwall?
The average annual highest temperature in Cornwall is 29.1°C (84.4°F), and the July 27th is the hottest day on average.
How cold does it get in Cornwall?
The average annual lowest temperature in Cornwall is -15.8°C (3.6°F), and the January 22nd is the coldest day on average.
Which month has the most rain in Cornwall?
The wettest months in Cornwall are October and June.
What months does it snow in Cornwall?
The most common time of year for snow is February, December, January, March, November and April.

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