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St. Lawrence - St. Lawrence River: Past 24 Hour Conditions

Warnings

 

Roberval Airport

07:00 AM EDT 12 August 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
12 August 2026
7:00 W 5 Mostly Cloudy 40 100.8 15 84 12 *
6:00 W 8 Mostly Cloudy 64 100.8 14 85 11 *
5:00 W 6 Partly Cloudy 40 100.7 13 87 11 *
4:00 W 7 Partly Cloudy 40 100.7 14 88 12 *
3:00 W 7 Clear 40 100.7 14 85 12 *
2:00 W 6 Clear 40 100.7 14 85 11 *
1:00 W 5 Clear 40 100.7 14 85 12 *
0:00 W 6 Clear 40 100.7 15 82 12 *
11 August 2026
23:00 W 6 Mainly Clear 40 100.7 16 78 12 *
22:00 W 7 Mostly Cloudy 40 100.8 18 74 13 *
21:00 WNW 6 Partly Cloudy 40 100.7 17 81 14 *
20:00 SSW 3 Partly Cloudy 40 100.7 19 75 15 *
19:00 WNW 5 Mostly Cloudy 40 100.6 20 68 14 24
18:00 WSW 4 Partly Cloudy 40 100.6 23 61 15 27
17:00 WNW 5 Partly Cloudy 40 100.6 23 56 14 26
16:00 SW 7 Mostly Cloudy 32 100.6 21 70 16 25
15:00 WSW 3 Partly Cloudy 40 100.6 22 67 15 26
14:00 ENE 6 Mostly Cloudy 64 100.6 22 76 17 27
13:00 NNW 7 Partly Cloudy 64 100.6 23 64 16 27
12:00 WNW 10 Mostly Cloudy 64 100.7 23 70 17 28
11:00 NW 5 Mostly Cloudy 64 100.7 21 79 17 26
10:00 NNW 5 Partly Cloudy 40 100.7 21 78 17 26
9:00 NW 11 Mostly Cloudy 32 100.8 19 85 16 *
8:00 NW 7 Mostly Cloudy 19 100.8 17 92 16 *
7:00 WNW 5 Mostly Cloudy 13 100.7 17 95 16 *

If you require additional historical weather information, please visit Climate Data Online

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport La Pocatière Miscou Island Mont-Joli Airport
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