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

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St. Catharines / Niagara District Airport

04:00 PM EDT 18 July 2025
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 2025
16:00 NE 11 Partly Cloudy 24 102.1 23 39 9 24
15:00 NE 12 gusts 18 Partly Cloudy 24 102.1 23 41 9 24
14:00 NNE 11 Mainly Sunny 48 102.2 23 44 10 24
13:00 NNE 6 gusts 15 Mainly Sunny 48 102.2 23 44 10 24
12:00 NNE 9 gusts 16 Partly Cloudy 48 102.2 22 44 9 *
11:00 ENE 8 Mainly Sunny 48 102.2 21 46 9 22
10:00 NE 8 Mainly Sunny 24 102.2 20 46 8 21
9:00 ENE 8 Mainly Sunny 24 102.2 19 51 9 *
8:00 NE 8 Partly Cloudy 24 102.2 18 57 10 *
7:00 NE 5 Mainly Sunny 24 102.1 16 71 11 *
6:00 NNE 8 N/A N/A 102.1 15 69 10 *
5:00 NNE 8 N/A N/A 102.0 15 71 10 *
4:00 NNE 9 N/A N/A 102.0 16 65 9 *
3:00 N 9 N/A N/A 101.9 16 75 12 *
2:00 NNW 10 gusts 16 N/A N/A 101.9 17 78 13 *
1:00 NNW 10 N/A N/A 101.8 17 80 13 *
0:00 NNW 12 gusts 19 N/A N/A 101.8 18 77 14 *
17 July 2025
23:00 NNW 14 gusts 19 N/A N/A 101.7 18 75 14 *
22:00 NNW 12 gusts 21 N/A N/A 101.7 19 81 15 *
21:00 WNW 10 gusts 19 Mostly Cloudy 24 101.5 21 68 15 25
20:00 WNW 11 gusts 21 Partly Cloudy 24 101.4 22 68 16 26
19:00 WNW 10 gusts 18 Mostly Cloudy 24 101.3 22 71 17 27
18:00 WNW 15 gusts 25 Partly Cloudy 48 101.2 23 70 18 29
17:00 WNW 19 gusts 29 Partly Cloudy 48 101.1 26 64 18 32
16:00 WNW 18 gusts 26 Partly Cloudy 24 101.1 27 62 19 33

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