River in Quebec

St. Lawrence River Vær Værmelding

St. Lawrence River weather: 12°C, delvis skyet. Time for time forecast, 14-day outlook, UV, air quality and the best time til visit.

⛅ 12°C now🕔 10:10 PM local📅 Best: september

Sammendrag

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

Akkurat nå er det 12°C (54°F) in St. Lawrence River med delvis skyet. Det føles som 8°C. I dag varierer temperaturen mellom 11°C til 13°C. Sannsynligheten for nedbør er 32%. Sightseeing conditions score 7.8/10 - gode forhold.

Beste tidspunkt å besøke St. Lawrence River is september. Klimaet er subarctic. januar, mars and desember tend til be the least comfortable months. juli is the warmest month med average highs near 26°C, while februar is the coldest med lows near -16°C.

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

Kort sagt. Today is cooler than average for september. The forecast high of 13°C is 7.1°C below the 20°C typical for this month. The best window til be outside is roughly 2 PM til 5 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in St. Lawrence River today at 8.5/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

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

Været i St. Lawrence River akkurat nå

⛅
12°C
Delvis skyet · feels like 8°C
Luftfuktighet81%
Vind26 km/h ENE
Vindkast46 km/h
UV-indeks0.1 · Lav
Skydekke69%
Lufttrykk1012 hPa
SiktExcellent · 29 km
Luftkvalitet23 · Good
Soloppgang6:39 AM
Solnedgang6:30 PM
Måne🌖 Waning gibbous · 85%

Open-Meteo Updated 10:10 PM, sep 30 local time.

Neste 24 timer

Temperatur, nedbørssannsynlighet og vind time for time.

5 PM⛅12°25%26 km/h
6 PM☁️11°28%22 km/h
7 PM☁️11°28%24 km/h
8 PM☁️11°25%23 km/h
9 PM☁️11°18%21 km/h
10 PM☁️11°14%21 km/h
11 PM☁️11°14%22 km/h
12 AM☁️11°13%22 km/h
1 AM☁️11°9%22 km/h
2 AM☁️11°9%22 km/h
3 AM☁️11°8%21 km/h
4 AM☁️11°7%20 km/h
5 AM☁️11°5%18 km/h
6 AM☁️11°5%18 km/h
7 AM☁️10°4%18 km/h
8 AM☁️11°5%16 km/h
9 AM☁️12°5%15 km/h
10 AM☁️12°5%15 km/h
11 AM☁️12°4%16 km/h
12 PM☁️13°5%16 km/h
1 PM⛅13°4%16 km/h
2 PM☁️13°4%12 km/h
3 PM⛅14°4%10 km/h
4 PM🌤️14°3%13 km/h

16-day forecast for St. Lawrence River

Maks. / Min.; Nedbør; UV

DagForholdMaks. / Min.NedbørVindUV
man, sep 28🌦️ Light drizzle13° / 11°32% · 1 mm26 km/h2
tir, sep 29☁️ Overskyet14° / 10°13%22 km/h4
ons, sep 30☁️ Overskyet18° / 9°1%13 km/h3
tor, okt 1🌦️ Lett regn20° / 12°37% · 8 mm16 km/h3
fre, okt 2🌦️ Yr22° / 15°37% · 1 mm16 km/h4
lør, okt 3☁️ Overskyet15° / 8°7%13 km/h4
søn, okt 4☁️ Overskyet15° / 5°44%15 km/h4
man, okt 5🌧️ Heavy drizzle12° / 5°44% · 4 mm19 km/h3
tir, okt 6☁️ Overskyet10° / 2°10%14 km/h4
ons, okt 7⛅ Delvis skyet10° / 1°15%16 km/h4
tor, okt 8☁️ Overskyet13° / 2°23%17 km/h3
fre, okt 9🌦️ Yr10° / 6°39% · 5 mm19 km/h2
lør, okt 10🌦️ Yr13° / 4°42% · 4 mm22 km/h2
søn, okt 11☁️ Overskyet9° / -1°16%21 km/h3
man, okt 12🌦️ Lett regn6° / 2°27% · 15 mm11 km/h1
tir, okt 13☁️ Overskyet8° / 2°20%17 km/h4

Klima in St. Lawrence River month by month

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

janfebmaraprmaijunjulaugsepoktnovdesLine: average high · Bars: rainfall
MånedAvg highAvg lowRegnfallRating
januar-6°-15°69 mm★★☆☆☆
februar-5°-16°50 mm★★☆☆☆
mars1°-9°105 mm★★☆☆☆
april9°-1°124 mm★★☆☆☆
mai17°7°127 mm★★★☆☆
juni23°12°176 mm★★★☆☆
juli26°16°129 mm★★★★☆
august24°14°165 mm★★★☆☆
september20°10°45 mm★★★★☆
oktober14°5°90 mm★★★☆☆
november4°-3°90 mm★★☆☆☆
desember-3°-12°97 mm★☆☆☆☆

Klima type: Subarctic. Kilde: Open-Meteo archive (ERA5).

Vær map for St. Lawrence River

Animated model layers. Pick a layer til load it.

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

Luftkvalitet and pollen in St. Lawrence River

23
Good
Luftkvalitet is satisfactory for everyone.
PM2.52 µg/m³
PM102.4 µg/m³
Ozone48 µg/m³
NO₂6.7 µg/m³
UV-indeks0.1 · Lav
Airborne hazeKlarvær air

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

søn, twilight and moon

Soloppgang6:39 AM
Solnedgang6:30 PM
Daglight11h 51m
Solar noon12:34 PM
Golden hour (am)6:39 AM - 7:39 AM
Golden hour (pm)5:30 PM - 6:30 PM
Blue hour (am)6:09 AM - 6:39 AM
Blue hour (pm)6:30 PM - 7:00 PM
Måne phase🌖 Waning gibbous · 85%
Månerise7:55 PM
Måneset11:55 AM

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

Beste tid å besøke St. Lawrence River

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

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

januar★★☆☆☆
februar★★☆☆☆
mars★★☆☆☆
april★★☆☆☆
mai★★★☆☆
juni★★★☆☆
juli★★★★☆
august★★★☆☆
september★★★★☆
oktober★★★☆☆
november★★☆☆☆
desember★☆☆☆☆

Explore St. Lawrence River

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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 Nord-Amerika.

What is the weather like in St. Lawrence River akkurat nå?

It is currently 12°C (54°F) med delvis skyet. Luftfuktighet is 81% and wind is 26 km/h.

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

september offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. januar, mars and desember 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 10:10 PM.

What is the nearest airport til St. Lawrence River?

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

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

Popular options include Baxter State Park, mant-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.
Værmelding and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima 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 september 30, 2026 at 10:10 PM 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.

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