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Great Lakes - Lake Erie and Lake Ontario: Past 24 Hour Conditions

Warnings

 

Hamilton Munro Int'l Airport

06:00 AM EDT 19 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) Humidex
19 May 2026
6:00 SSW 9 Mostly Cloudy 24 101.5 19 89 17 *
5:00 SSW 6 Mostly Cloudy 24 101.5 19 88 17 *
4:00 SSW 8 Mostly Cloudy 24 101.6 18 89 16 *
3:00 S 8 Mostly Cloudy 24 101.5 19 84 16 *
2:00 SSW 7 Mostly Cloudy 24 101.5 21 74 16 26
1:00 SW 9 gusts 15 Mostly Cloudy 24 101.5 22 68 16 27
0:00 SW 11 gusts 18 Mostly Cloudy 24 101.6 22 69 16 27
18 May 2026
23:00 SW 10 gusts 18 Light Rain 24 101.6 23 72 17 28
22:00 W 15 gusts 20 Mostly Cloudy 24 101.6 24 65 17 29
21:00 SW 19 gusts 25 Mostly Cloudy 24 101.5 26 48 14 30
20:00 SW 10 Mostly Cloudy 24 101.4 26 54 16 31
19:00 SSW 12 Mostly Cloudy 24 101.4 28 51 16 32
18:00 SSW 18 gusts 26 Partly Cloudy 24 101.4 30 43 16 34
17:00 SSW 15 gusts 26 Partly Cloudy 24 101.3 30 44 17 35
16:00 SW 19 gusts 26 Mainly Sunny 24 101.5 30 43 16 34
15:00 SW 17 gusts 26 Mainly Sunny 24 101.5 30 48 18 35
14:00 SSW 19 gusts 29 Mainly Sunny 24 101.6 29 45 16 34
13:00 SW 22 gusts 27 Mainly Sunny 24 101.6 29 48 17 34
12:00 SW 12 gusts 19 Mainly Sunny 24 101.7 29 56 19 35
11:00 SSW 12 gusts 18 Mainly Sunny 24 101.7 27 56 18 33
10:00 SSW 13 gusts 18 Partly Cloudy 24 101.7 26 60 17 31
9:00 SW 10 Partly Cloudy 24 101.7 24 66 17 29
8:00 SSW 11 Partly Cloudy 24 101.7 22 70 16 26
7:00 SSW 9 Partly Cloudy 24 101.7 20 78 16 *
6:00 SSW 9 Partly Cloudy 24 101.6 18 84 16 *

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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