River in Quebec

St. Lawrence River Väder Prognos

St. Lawrence River weather: -5°C, mulet. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.

☁️ -5°C now🕔 9:55 AM local📅 Best: juli and september

Sammanfattning

St. Lawrence River is a river in Quebec. St. Lawrence River is a river known as the Great Lakes outlet och the Atlantic.

Just nu är det -5°C (23°F) in St. Lawrence River med mulet. Det känns som -9°C. I dag varierar temperaturen mellan -5°C och 5°C. Risken för nederbörd är 0%. Sightseeing conditions score 7.3/10 - bra förhållanden.

Bästa tiden att besöka St. Lawrence River is juli and september. Klimatet är subarctic. januari, mars and december tend och be the least comfortable months. juli is the warmest month med average highs near 26°C, while februari is the coldest med lows near -16°C.

The closest major airport is måntreal-Trudeau International Airport (YUL), about 246 km away. Nearby highlights include Baxter State Park, månt-Tremblant National Park, Mount Washington and Franconia Notch State Park.

Enkelt förklarat. Today is much colder than average for oktober. The forecast high of 5°C is 8.4°C below the 13°C typical for this month. The best window och be outside is roughly 8 AM och 11 AM, when temperature, rain chance and wind line up best. driving is the strongest bet in St. Lawrence River today at 9.7/10. Overnight lows near -5°C mean ice is possible on bridges before dawn.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Active alerts for St. Lawrence River

⚠️ons, okt 28: freezing overnight, -5°C (23°F). Expect ice on roads and trails.
⚠️tor, okt 29: freezing overnight, -0°C (32°F). Expect ice on roads and trails.
⚠️ons, nov 4: freezing overnight, -0°C (32°F). Expect ice on roads and trails.
⚠️tor, nov 5: heavy rain, 35 mm. Flooding and delays possible.
⚠️fre, nov 6: heavy rain, 43 mm. Flooding and delays possible.
⚠️fre, nov 6: damaging gusts och 77 km/h.

Derived from the forecast. No official alert feed is wired for this country yet.

Vädret i St. Lawrence River just nu

☁️
-5°C
Mulet · feels like -9°C
Luftfuktighet90%
Vind6 km/h SSW
Vindbyar16 km/h
UV-index0.1 · Låg
Molntäcke100%
Lufttryck1023 hPa
SiktGood · 20 km
Luftkvalitet46 · Good
Soluppgång7:21 AM
Solnedgång5:35 PM
Måne🌖 Waning gibbous · 95%

Open-Meteo Updated 9:55 AM, okt 28 local time.

⚠️ons, okt 28: freezing overnight, -5°C (23°F). Expect ice on roads and trails.
⚠️tor, okt 29: freezing overnight, -0°C (32°F). Expect ice on roads and trails.
⚠️ons, nov 4: freezing overnight, -0°C (32°F). Expect ice on roads and trails.
⚠️tor, nov 5: heavy rain, 35 mm. Flooding and delays possible.
⚠️fre, nov 6: heavy rain, 43 mm. Flooding and delays possible.
⚠️fre, nov 6: damaging gusts och 77 km/h.

Nästa 24 timmar

Temperatur, nederbörd och vind timme för timme.

8 AM☁️-5°0%4 km/h
9 AM☁️-3°0%5 km/h
10 AM☁️-1°0%8 km/h
11 AM☁️1°0%10 km/h
12 PM☁️2°0%14 km/h
1 PM☁️3°0%14 km/h
2 PM☁️4°0%14 km/h
3 PM⛅4°0%12 km/h
4 PM🌤️5°0%10 km/h
5 PM☀️4°0%8 km/h
6 PM🌤️2°0%7 km/h
7 PM🌙2°0%6 km/h
8 PM☁️2°0%6 km/h
9 PM☁️3°0%6 km/h
10 PM🌙2°0%7 km/h
11 PM🌙1°0%7 km/h
12 AM🌙1°0%7 km/h
1 AM☁️1°0%9 km/h
2 AM🌙0°0%8 km/h
3 AM🌙0°0%8 km/h
4 AM🌙-0°0%8 km/h
5 AM🌙-0°0%8 km/h
6 AM🌙-0°0%7 km/h
7 AM☁️-0°0%7 km/h

16-day forecast for St. Lawrence River

Max / Min; Nederb.; UV

DagFörhållandenMax / MinNederb.VindUV
ons, okt 28☁️ Mulet5° / -5°0%14 km/h3
tor, okt 29🌧️ Regn13° / -0°78% · 4 mm18 km/h3
fre, okt 30🌦️ Duggregn12° / 4°45% · 2 mm20 km/h2
lör, okt 31☁️ Mulet7° / 0°1%16 km/h3
sön, nov 1☀️ Klart10° / 1°3%19 km/h3
mån, nov 2☁️ Mulet7° / 3°10%10 km/h0
tis, nov 3⛅ Delvis molnigt7° / 0°21%8 km/h3
ons, nov 4☁️ Mulet8° / -0°22%6 km/h3
tor, nov 5🌧️ Regn7° / 4°42% · 35 mm8 km/h0
fre, nov 6🌧️ Skurar14° / 6°42% · 43 mm25 km/h1
lör, nov 7🌥️ Dimma6° / 1°25%25 km/h2
sön, nov 8🌥️ Dimma5° / -1°16%14 km/h2
mån, nov 9☁️ Mulet6° / -1°13%12 km/h2
tis, nov 10☁️ Mulet6° / -0°33%10 km/h2
ons, nov 11☁️ Mulet6° / 2°43%10 km/h2
tor, nov 12☁️ Mulet4° / 1°23%25 km/h2

Klimat in St. Lawrence River month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånadAvg highAvg lowRegnfallRating
januari-6°-15°69 mm★★☆☆☆
februari-4°-16°50 mm★★☆☆☆
mars1°-9°105 mm★★☆☆☆
april9°-1°124 mm★★☆☆☆
maj17°6°127 mm★★★☆☆
juni23°12°176 mm★★★☆☆
juli26°16°130 mm★★★★☆
augusti24°14°165 mm★★★☆☆
september20°10°61 mm★★★★☆
oktober13°4°70 mm★★★☆☆
november4°-3°90 mm★★☆☆☆
december-3°-12°97 mm★☆☆☆☆

Klimat type: Subarctic. Källa: Open-Meteo archive (ERA5).

Väder map for St. Lawrence River

Animated model layers. Pick a layer och load it.

Loading map…

Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.

Luftkvalitet and pollen in St. Lawrence River

46
Good
Luftkvalitet is satisfactory for everyone.
PM2.511.2 µg/m³
PM1011.4 µg/m³
Ozone13 µg/m³
NO₂30.7 µg/m³
UV-index0.1 · Låg
Airborne hazeKlart air

Luftkvalitet: Open-Meteo (CAMS). US AQI scale.

sön, twilight and moon

Soluppgång7:21 AM
Solnedgång5:35 PM
Daglight10h 14m
Solar noon12:28 PM
Golden hour (am)7:21 AM - 8:21 AM
Golden hour (pm)4:35 PM - 5:35 PM
Blue hour (am)6:51 AM - 7:21 AM
Blue hour (pm)5:35 PM - 6:05 PM
Måne phase🌖 Waning gibbous · 95%
Månerise6:45 PM
Måneset10:55 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Bästa tiden att besöka St. Lawrence River

Go in juli and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: januari, mars and december - expect the least comfortable mix of heat, cold or rain.

januari★★☆☆☆
februari★★☆☆☆
mars★★☆☆☆
april★★☆☆☆
maj★★★☆☆
juni★★★☆☆
juli★★★★☆
augusti★★★☆☆
september★★★★☆
oktober★★★☆☆
november★★☆☆☆
december★☆☆☆☆

Explore St. Lawrence River

Every topic we hold for this place, and the same topic for the places around it.

Väder for related places

Frequently asked questions

Where is St. Lawrence River?

St. Lawrence River is a river in Quebec. Its coordinates are 46.8139, -71.208. It lies in Nordamerika.

What is the weather like in St. Lawrence River just nu?

It is currently -5°C (23°F) med mulet. Luftfuktighet is 90% and wind is 6 km/h.

When is the best time och visit St. Lawrence River?

juli and september offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. januari, mars and december are usually the hardest months for outdoor plans.

What time zone is St. Lawrence River in?

St. Lawrence River observes America/Toronto (UTC-04:00). The local time is 9:55 AM.

What is the nearest airport och St. Lawrence River?

The closest airports are måntreal-Trudeau International Airport (YUL), 246 km away and Boston Logan International Airport (BOS), 495 km away.

What are the top things och do in St. Lawrence River?

Popular options include Baxter State Park, månt-Tremblant National Park, Mount Washington, Franconia Notch State Park and Acadia National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (rivers) - coordinates, hierarchy and facts.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated oktober 28, 2026 at 9:55 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile