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

Warnings

 

Oshawa Executive Airport

05:00 AM EDT 28 July 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
28 July 2026
5:00 WSW 6 Mist 6 100.2 20 100 20 *
4:00 SW 4 Mist 6 100.2 20 100 20 *
3:00 NNW 7 Light Rain 6 100.4 20 99 20 28
2:00 SW 4 Light Rain 10 100.5 20 99 20 27
1:00 SSW 6 Light Rain 16 100.4 21 97 20 28
0:00 calm Thunderstorm 5 100.4 22 99 22 31
27 July 2026
23:00 SSE 2 Light Rain 13 100.4 23 92 21 31
22:00 ESE 4 Cloudy 16 100.5 22 92 21 31
21:00 SE 3 Mostly Cloudy 16 100.5 23 86 21 32
20:00 SSE 4 Partly Cloudy 16 100.5 24 80 21 32
19:00 SE 5 Mostly Cloudy 16 100.6 24 72 19 31
18:00 S 4 Mostly Cloudy 16 100.6 25 71 19 32
17:00 calm Mostly Cloudy 16 100.6 25 66 18 31
16:00 S 5 Partly Cloudy 16 100.7 26 51 15 31
15:00 S 6 Mainly Sunny 16 100.8 26 58 17 31
14:00 SSW 6 Sunny 16 100.9 25 64 18 31
13:00 S 6 Sunny 16 100.9 26 64 18 32
12:00 SSW 8 Sunny 16 100.9 25 65 18 32
11:00 SW 6 Sunny 16 101.0 25 66 18 31
10:00 WSW 5 Sunny 16 101.0 24 70 18 31
9:00 calm Partly Cloudy 16 101.0 22 88 20 29
8:00 NNW 3 Mostly Cloudy 16 101.0 20 94 19 27
7:00 N 3 Mist 10 101.0 18 100 18 *
6:00 calm Mist 10 101.0 18 100 18 *
5:00 calm Mainly Clear 11 100.9 18 100 18 *

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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