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Southern Georgian Bay: Past 24 Hour Conditions

Warnings

 

Hamilton Munro Int'l Airport

11:00 AM EDT 18 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
18 July 2026
11:00 SW 15 Mostly Cloudy 16 100.6 27 79 23 38
10:00 SW 12 gusts 18 Mostly Cloudy 13 100.7 27 81 23 37
9:00 SW 13 gusts 19 Smoke 10 100.7 26 85 23 36
8:00 SW 12 Smoke 5 100.8 23 91 22 32
7:00 SSW 8 Smoke 3 100.9 22 92 21 30
6:00 SSW 8 Smoke 3 100.9 22 87 20 29
5:00 SSW 6 Smoke 4 101.0 21 87 18 27
4:00 S 6 Smoke 4 101.1 20 89 18 *
3:00 S 8 Smoke 3 101.1 19 93 18 *
2:00 S 5 Smoke 3 101.3 19 93 17 *
1:00 WSW 4 Smoke 3 101.4 18 94 17 *
0:00 SSW 6 Smoke 3 101.4 19 90 17 *
17 July 2026
23:00 S 6 Smoke 5 101.5 20 80 16 *
22:00 S 5 Smoke 5 101.5 21 69 15 24
21:00 SSE 7 Smoke 5 101.5 22 64 15 26
20:00 SSW 5 Smoke 5 101.6 24 61 16 28
19:00 SSW 6 Smoke 6 101.6 24 57 15 28
18:00 SSW 10 Smoke 6 101.7 25 54 15 29
17:00 SSW 8 Smoke 6 101.7 27 60 18 33
16:00 SW 4 Smoke 6 101.8 27 49 16 31
15:00 WSW 2 Smoke 6 101.8 27 46 14 30
14:00 SSW 5 Smoke 6 101.9 26 49 15 30
13:00 SW 5 Smoke 6 101.9 26 53 15 30
12:00 SW 3 Smoke 4 102.0 25 60 17 30
11:00 SW 2 Smoke 3 101.9 24 67 17 29

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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