Cornwall weather

Ontario, Canada Wednesday, October 28, 7:55 AM (GMT-04:00)

1°°C

Overcast

Feels like 0°

High 9° · Low 0°

Updated 7:45 AM loaded 7:55 AM

Humidity: 68 %
Wind: 6 km/h NE
Gusts: 7 km/h
UV index: 0 low
Pressure: 1031 hPa
Visibility: 10 km
Dew point: -4°
Sunrise / sunset: 7:32 AM / 5:53 PM

Hourly forecast

Next 48 hours, local time (GMT-04:00). Bars show the hourly chance of precipitation.

Now Overcast 1° 26 % 6 km/h
8 AM Overcast 2° 32 % 5 km/h
9 AM Overcast 3° 15 % 4 km/h
10 AM Overcast 5° 13 % 5 km/h
11 AM Overcast 6° 13 % 4 km/h
12 PM Overcast 8° 11 % 2 km/h
1 PM Overcast 8° 11 % 1 km/h
2 PM Overcast 9° 11 % 6 km/h
3 PM Overcast 7° 14 % 5 km/h
4 PM Overcast 7° 13 % 7 km/h
5 PM Cloudy 8° 10 % 4 km/h
6 PM Overcast 6° 13 % 5 km/h
7 PM Clear 6° 4 % 4 km/h
8 PM Clear 5° 7 % 5 km/h
9 PM Clear 5° 5 % 5 km/h
10 PM Partly cloudy 4° 8 % 5 km/h
11 PM Partly cloudy 5° 11 % 4 km/h
Thu 12 AM Overcast 5° 15 % 3 km/h
1 AM Partly cloudy 6° 7 % 2 km/h
2 AM Clear 6° 11 % 4 km/h
3 AM Clear 5° 10 % 4 km/h
4 AM Clear 6° 14 % 6 km/h
5 AM Mist 6° 20 % 8 km/h
6 AM Mist 7° 19 % 7 km/h
7 AM Mist 7° 20 % 8 km/h
8 AM Mist 7° 20 % 11 km/h
9 AM Clear 10° 15 % 8 km/h
10 AM Clear 13° 10 % 15 km/h
11 AM Partly cloudy 15° 9 % 17 km/h
12 PM Overcast 17° 17 % 21 km/h
1 PM Clear 18° 5 % 21 km/h
2 PM Clear 19° 4 % 22 km/h
3 PM Overcast 19° 14 % 25 km/h
4 PM Overcast 18° 14 % 27 km/h
5 PM Chance of rain 18° 14 % 24 km/h
6 PM Drizzle 18° 31 % 25 km/h
7 PM Rain showers 17° 44 % 23 km/h
8 PM Rain showers 14° 47 % 24 km/h
9 PM Drizzle 15° 40 % 22 km/h
10 PM Overcast 15° 20 % 20 km/h
11 PM Partly cloudy 13° 16 % 19 km/h
Fri 12 AM Chance of rain 13° 26 % 16 km/h
1 AM Chance of rain 12° 27 % 13 km/h
2 AM Clear 11° 16 % 15 km/h
3 AM Clear 11° 14 % 14 km/h
4 AM Clear 10° 14 % 15 km/h
5 AM Chance of rain 9° 22 % 15 km/h
6 AM Clear 8° 12 % 16 km/h

Show hourly forecast as a table

Hourly forecast for Cornwall, local time (GMT-04:00)
Time	Conditions	Temp. (°C)	Feels like (°C)	Chance of precip.	Precip. (mm)	Wind (km/h)	Gusts (km/h)	Humidity
Wed 7:00 AM	Overcast	1°	0°	26 %	0.0 mm	6 km/h	7 km/h	68 %
Wed 8:00 AM	Overcast	2°	-1°	32 %	0.0 mm	5 km/h	10 km/h	79 %
Wed 9:00 AM	Overcast	3°	0°	15 %	0.0 mm	4 km/h	5 km/h	59 %
Wed 10:00 AM	Overcast	5°	1°	13 %	0.0 mm	5 km/h	6 km/h	53 %
Wed 11:00 AM	Overcast	6°	3°	13 %	0.0 mm	4 km/h	11 km/h	58 %
Wed 12:00 PM	Overcast	8°	5°	11 %	0.0 mm	2 km/h	5 km/h	44 %
Wed 1:00 PM	Overcast	8°	6°	11 %	0.0 mm	1 km/h	4 km/h	44 %
Wed 2:00 PM	Overcast	9°	8°	11 %	0.0 mm	6 km/h	13 km/h	51 %
Wed 3:00 PM	Overcast	7°	6°	14 %	0.0 mm	5 km/h	7 km/h	57 %
Wed 4:00 PM	Overcast	7°	5°	13 %	0.0 mm	7 km/h	10 km/h	57 %
Wed 5:00 PM	Cloudy	8°	5°	10 %	0.0 mm	4 km/h	9 km/h	60 %
Wed 6:00 PM	Overcast	6°	6°	13 %	0.0 mm	5 km/h	5 km/h	57 %
Wed 7:00 PM	Clear	6°	3°	4 %	0.0 mm	4 km/h	4 km/h	57 %
Wed 8:00 PM	Clear	5°	4°	7 %	0.0 mm	5 km/h	9 km/h	70 %
Wed 9:00 PM	Clear	5°	4°	5 %	0.0 mm	5 km/h	23 km/h	61 %
Wed 10:00 PM	Partly cloudy	4°	3°	8 %	0.0 mm	5 km/h	16 km/h	63 %
Wed 11:00 PM	Partly cloudy	5°	2°	11 %	0.0 mm	4 km/h	7 km/h	79 %
Thu 12:00 AM	Overcast	5°	2°	15 %	0.0 mm	3 km/h	3 km/h	64 %
Thu 1:00 AM	Partly cloudy	6°	4°	7 %	0.0 mm	2 km/h	17 km/h	64 %
Thu 2:00 AM	Clear	6°	3°	11 %	0.0 mm	4 km/h	7 km/h	83 %
Thu 3:00 AM	Clear	5°	3°	10 %	0.0 mm	4 km/h	5 km/h	81 %
Thu 4:00 AM	Clear	6°	5°	14 %	0.0 mm	6 km/h	6 km/h	91 %
Thu 5:00 AM	Mist	6°	5°	20 %	0.0 mm	8 km/h	11 km/h	95 %
Thu 6:00 AM	Mist	7°	5°	19 %	0.0 mm	7 km/h	7 km/h	95 %
Thu 7:00 AM	Mist	7°	5°	20 %	0.0 mm	8 km/h	12 km/h	96 %
Thu 8:00 AM	Mist	7°	5°	20 %	0.0 mm	11 km/h	19 km/h	97 %
Thu 9:00 AM	Clear	10°	9°	15 %	0.0 mm	8 km/h	40 km/h	92 %
Thu 10:00 AM	Clear	13°	11°	10 %	0.0 mm	15 km/h	44 km/h	80 %
Thu 11:00 AM	Partly cloudy	15°	12°	9 %	0.0 mm	17 km/h	37 km/h	73 %
Thu 12:00 PM	Overcast	17°	13°	17 %	0.0 mm	21 km/h	46 km/h	67 %
Thu 1:00 PM	Clear	18°	15°	5 %	0.0 mm	21 km/h	47 km/h	64 %
Thu 2:00 PM	Clear	19°	15°	4 %	0.0 mm	22 km/h	46 km/h	59 %
Thu 3:00 PM	Overcast	19°	15°	14 %	0.0 mm	25 km/h	51 km/h	58 %
Thu 4:00 PM	Overcast	18°	13°	14 %	0.0 mm	27 km/h	56 km/h	60 %
Thu 5:00 PM	Chance of rain	18°	13°	14 %	<0.1 mm	24 km/h	51 km/h	60 %
Thu 6:00 PM	Drizzle	18°	13°	31 %	0.2 mm	25 km/h	60 km/h	59 %
Thu 7:00 PM	Rain showers	17°	12°	44 %	0.5 mm	23 km/h	57 km/h	67 %
Thu 8:00 PM	Rain showers	14°	10°	47 %	0.3 mm	24 km/h	50 km/h	84 %
Thu 9:00 PM	Drizzle	15°	12°	40 %	0.2 mm	22 km/h	52 km/h	74 %
Thu 10:00 PM	Overcast	15°	12°	20 %	0.0 mm	20 km/h	50 km/h	77 %
Thu 11:00 PM	Partly cloudy	13°	10°	16 %	0.0 mm	19 km/h	42 km/h	90 %
Fri 12:00 AM	Chance of rain	13°	11°	26 %	<0.1 mm	16 km/h	45 km/h	86 %
Fri 1:00 AM	Chance of rain	12°	10°	27 %	<0.1 mm	13 km/h	41 km/h	92 %
Fri 2:00 AM	Clear	11°	9°	16 %	0.0 mm	15 km/h	33 km/h	95 %
Fri 3:00 AM	Clear	11°	9°	14 %	0.0 mm	14 km/h	39 km/h	93 %
Fri 4:00 AM	Clear	10°	8°	14 %	0.0 mm	15 km/h	39 km/h	92 %
Fri 5:00 AM	Chance of rain	9°	7°	22 %	<0.1 mm	15 km/h	31 km/h	94 %
Fri 6:00 AM	Clear	8°	6°	12 %	0.0 mm	16 km/h	39 km/h	88 %

7-day forecast

Local calendar days. Open a day for details and its best window.

TodayOct 28 Overcast 16 % 0.0 mm 7 km/h 0° 9°

Humidity: 64 %
Max wind: 7 km/h
Max gusts: 23 km/h
UV index: 2
Sunrise: 7:32 AM
Sunset: 5:53 PM
Total precipitation: 0.0 mm

Best 2-hour window

12:00 PM – 2:00 PM

Every third hour, Today
Time	Temp.	Chance of precip.	Wind
12:00 AM	0°	31 %	3 km/h
3:00 AM	0°	31 %	1 km/h
6:00 AM	1°	23 %	6 km/h
9:00 AM	3°	15 %	4 km/h
12:00 PM	8°	11 %	2 km/h
3:00 PM	7°	14 %	5 km/h
6:00 PM	6°	13 %	5 km/h
9:00 PM	5°	5 %	5 km/h

TomorrowOct 29 Clear 57 % 1.2 mm 27 km/h 5° 19°

Humidity: 76 %
Max wind: 27 km/h
Max gusts: 60 km/h
UV index: 2
Sunrise: 7:33 AM
Sunset: 5:51 PM
Total precipitation: 1.2 mm

Best 2-hour window

10:00 AM – 12:00 PM

Every third hour, Tomorrow
Time	Temp.	Chance of precip.	Wind
12:00 AM	5°	15 %	3 km/h
3:00 AM	5°	10 %	4 km/h
6:00 AM	7°	19 %	7 km/h
9:00 AM	10°	15 %	8 km/h
12:00 PM	17°	17 %	21 km/h
3:00 PM	19°	14 %	25 km/h
6:00 PM	18°	31 %	25 km/h
9:00 PM	15°	40 %	22 km/h

FridayOct 30 Clear 21 % 0.1 mm 25 km/h 6° 13°

Humidity: 74 %
Max wind: 25 km/h
Max gusts: 49 km/h
UV index: 2
Sunrise: 7:34 AM
Sunset: 5:50 PM
Total precipitation: 0.1 mm

Best 2-hour window

4:00 PM – 6:00 PM

Every third hour, Friday
Time	Temp.	Chance of precip.	Wind
12:00 AM	13°	26 %	16 km/h
3:00 AM	11°	14 %	14 km/h
6:00 AM	8°	12 %	16 km/h
9:00 AM	8°	25 %	18 km/h
12:00 PM	10°	16 %	21 km/h
3:00 PM	12°	13 %	23 km/h
6:00 PM	9°	14 %	21 km/h
9:00 PM	6°	15 %	16 km/h

SaturdayOct 31 Clear 7 % 0.0 mm 13 km/h 0° 9°

Humidity: 72 %
Max wind: 13 km/h
Max gusts: 28 km/h
UV index: 2
Sunrise: 7:36 AM
Sunset: 5:48 PM
Total precipitation: 0.0 mm

Best 2-hour window

1:00 PM – 3:00 PM

Every third hour, Saturday
Time	Temp.	Chance of precip.	Wind
12:00 AM	4°	10 %	9 km/h
3:00 AM	2°	17 %	7 km/h
6:00 AM	0°	14 %	7 km/h
9:00 AM	2°	8 %	8 km/h
12:00 PM	7°	3 %	10 km/h
3:00 PM	9°	2 %	13 km/h
6:00 PM	5°	6 %	4 km/h
9:00 PM	3°	10 %	8 km/h

SundayNov 1 Clear 10 % 0.0 mm 13 km/h 2° 14°

Humidity: 79 %
Max wind: 13 km/h
Max gusts: 33 km/h
UV index: 4
Sunrise: 6:37 AM
Sunset: 4:47 PM
Total precipitation: 0.0 mm

Best 2-hour window

12:00 PM – 2:00 PM

Every third hour, Sunday
Time	Temp.	Chance of precip.	Wind
12:00 AM	3°	14 %	10 km/h
2:00 AM	2°	21 %	9 km/h
5:00 AM	2°	21 %	9 km/h
8:00 AM	7°	8 %	13 km/h
11:00 AM	13°	3 %	13 km/h
2:00 PM	14°	4 %	9 km/h
5:00 PM	8°	9 %	7 km/h
8:00 PM	6°	13 %	10 km/h
11:00 PM	6°	14 %	10 km/h

MondayNov 2 Chance of rain 24 % <0.1 mm 12 km/h 6° 13°

Humidity: 83 %
Max wind: 12 km/h
Max gusts: 34 km/h
UV index: 4
Sunrise: 6:38 AM
Sunset: 4:45 PM
Total precipitation: <0.1 mm

Best 2-hour window

9:00 AM – 11:00 AM

Every third hour, Monday
Time	Temp.	Chance of precip.	Wind
12:00 AM	6°	15 %	10 km/h
3:00 AM	7°	16 %	11 km/h
6:00 AM	6°	22 %	12 km/h
9:00 AM	11°	13 %	12 km/h
12:00 PM	13°	15 %	12 km/h
3:00 PM	11°	19 %	10 km/h
6:00 PM	9°	22 %	7 km/h
9:00 PM	8°	25 %	1 km/h

TuesdayNov 3 Partly cloudy 79 % 7.4 mm 12 km/h 4° 11°

Humidity: 76 %
Max wind: 12 km/h
Max gusts: 37 km/h
UV index: 4
Sunrise: 6:40 AM
Sunset: 4:44 PM
Total precipitation: 7.4 mm

Best 2-hour window

11:00 AM – 1:00 PM

Every third hour, Tuesday
Time	Temp.	Chance of precip.	Wind
12:00 AM	7°	27 %	7 km/h
3:00 AM	5°	21 %	9 km/h
6:00 AM	4°	17 %	10 km/h
9:00 AM	8°	11 %	12 km/h
12:00 PM	11°	8 %	12 km/h
3:00 PM	10°	49 %	6 km/h
6:00 PM	9°	60 %	8 km/h
9:00 PM	8°	66 %	6 km/h

Show daily forecast as a table

Daily forecast for Cornwall (local dates)
Date	Conditions	Low (°C)	High (°C)	Chance of precip.	Precip. (mm)	Max wind (km/h)	UV
Wed, Oct 28	Overcast	0°	9°	16 %	0.0 mm	7 km/h	2
Thu, Oct 29	Clear	5°	19°	57 %	1.2 mm	27 km/h	2
Fri, Oct 30	Clear	6°	13°	21 %	0.1 mm	25 km/h	2
Sat, Oct 31	Clear	0°	9°	7 %	0.0 mm	13 km/h	2
Sun, Nov 1	Clear	2°	14°	10 %	0.0 mm	13 km/h	4
Mon, Nov 2	Chance of rain	6°	13°	24 %	<0.1 mm	12 km/h	4
Tue, Nov 3	Partly cloudy	4°	11°	79 %	7.4 mm	12 km/h	4

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About this data

Conditions updated: Oct 28, 7:45 AM
Loaded by Weatheria: Oct 28, 7:55 AM
Shown until: Oct 28, 8:50 AM
Place: 45.018, -74.728 · time zone America/Toronto

All values except current conditions are forecasts and become less certain further ahead. “Current conditions” are the provider’s estimate for these coordinates, not a Weatheria measuring station.

Sources and methodology