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Southern Georgian Bay: Past 24 Hour Conditions

Warnings

 

Oshawa Executive Airport

01:00 AM EDT 20 April 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) Wind Chill
20 April 2026
1:00 W 6 Mostly Cloudy 16 102.0 -1 65 -6 -4
0:00 WNW 7 Clear 16 102.0 0 61 -7 -5
19 April 2026
23:00 NW 14 Clear 16 101.9 0 60 -7 *
22:00 NW 9 Mainly Clear 16 101.9 1 59 -6 *
21:00 NW 8 Clear 16 101.8 2 58 -6 *
20:00 WNW 12 gusts 18 Mostly Cloudy 16 101.7 3 59 -4 *
19:00 W 8 Cloudy 16 101.7 4 70 -1 *
18:00 NW 13 gusts 19 Precipitation 13 101.7 2 85 0 *
17:00 W 12 gusts 20 Cloudy 16 101.6 4 69 -1 *
16:00 NW 13 Mostly Cloudy 16 101.5 5 71 0 *
15:00 W 12 Mostly Cloudy 16 101.5 5 58 -2 *
14:00 WNW 8 Mainly Sunny 16 101.5 6 53 -3 *
13:00 NW 11 gusts 17 Cloudy 16 101.5 7 47 -4 *
12:00 WNW 12 gusts 20 Mostly Cloudy 16 101.5 6 47 -5 *
11:00 WNW 14 gusts 21 Mostly Cloudy 16 101.5 6 47 -5 *
10:00 NW 10 Cloudy 16 101.6 4 64 -2 *
9:00 NW 13 gusts 19 Cloudy 16 101.6 4 75 0 *
8:00 W 8 Cloudy 16 101.5 4 66 -1 *
7:00 SW 3 Cloudy 16 101.4 4 74 0 *
6:00 calm Cloudy 16 101.3 3 77 0 *
5:00 NW 4 Cloudy 16 101.3 3 76 -1 *
4:00 W 7 Cloudy 16 101.3 4 73 -1 *
3:00 WNW 8 Cloudy 16 101.2 4 71 -1 *
2:00 WNW 8 Cloudy 16 101.3 4 72 -1 *
1:00 WNW 8 gusts 15 Cloudy 16 101.3 4 76 0 *

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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