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Cornwall to Montréal: Past 24 Hour Conditions

Warnings

 

Hamilton Munro Int'l Airport

03:00 AM EDT 22 May 2026
Disclaimer

This table is a summary of hourly weather conditions for the past 24 hours.
Please note that these observations might not always be representative of weather conditions over their associated marine area.
Date / Time
(EDT)		 Wind(knots) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C)
22 May 2026
3:00 NE 11 Mainly Clear 24 102.8 6 66 0
2:00 NE 10 Mainly Clear 24 102.8 7 66 1
1:00 NNE 7 Mainly Clear 24 102.8 7 69 1
0:00 NNE 6 Partly Cloudy 24 102.8 7 72 2
21 May 2026
23:00 NNE 6 Mainly Clear 24 102.8 7 70 2
22:00 NNE 4 Mainly Clear 24 102.8 9 61 2
21:00 NE 6 Mostly Cloudy 24 102.7 10 62 3
20:00 ENE 6 Mostly Cloudy 24 102.7 12 49 1
19:00 ENE 8 Mostly Cloudy 24 102.7 13 47 2
18:00 NE 9 Mostly Cloudy 24 102.7 14 42 1
17:00 ENE 7 gusts 15 Mostly Cloudy 24 102.7 15 45 3
16:00 NE 11 gusts 17 Partly Cloudy 24 102.7 15 44 3
15:00 NNE 13 Partly Cloudy 24 102.7 15 46 4
14:00 NNE 11 Partly Cloudy 24 102.8 14 49 3
13:00 NE 9 gusts 16 Partly Cloudy 24 102.8 13 54 4
12:00 NE 11 Partly Cloudy 24 102.9 12 52 2
11:00 ENE 13 gusts 18 Partly Cloudy 24 102.9 11 55 2
10:00 NE 18 gusts 24 Mostly Cloudy 24 102.9 10 56 2
9:00 NE 17 gusts 22 Mostly Cloudy 24 102.8 10 63 3
8:00 NE 12 gusts 19 Mostly Cloudy 24 102.8 9 68 4
7:00 NNE 12 Mostly Cloudy 24 102.7 7 76 3
6:00 N 10 Partly Cloudy 24 102.6 6 81 3
5:00 N 5 Partly Cloudy 24 102.6 5 86 3
4:00 NW 2 Cloudy 24 102.5 6 88 4
3:00 NNW 4 Mostly Cloudy 24 102.5 6 84 4

If you require additional historical weather information, please visit Climate Data Online

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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