City in Newfoundland and Labrador

St. John's Vejr Prognose

St. John's weather: 11°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.

☁️ 11°C now🕔 12:13 AM local📅 Best: juli, august and september👥 110.000

14-day forecast for St. John's

Maks. / Min.; Nedbør; UV

DagForholdMaks. / Min.NedbørVindUV
ons, sep 16🌧️ Byger19° / 11°61% · 16 mm18 km/h1
tor, sep 17☁️ Overskyet22° / 12°52%23 km/h5
fre, sep 18🌦️ Light showers14° / 12°58% · 6 mm15 km/h4
lør, sep 19🌧️ Byger15° / 8°80% · 12 mm47 km/h3
søn, sep 20🌦️ Light drizzle10° / 7°26% · 1 mm36 km/h5
man, sep 21🌦️ Light drizzle12° / 7°50% · 1 mm15 km/h3
tir, sep 22⛅ Delvist skyet13° / 8°37%19 km/h2
ons, sep 23⛅ Delvist skyet14° / 8°22%22 km/h1
tor, sep 24🌦️ Light drizzle18° / 9°15% · 1 mm28 km/h5
fre, sep 25☁️ Overskyet / 5°16%20 km/h3
lør, sep 26⛅ Delvist skyet / 4°18%11 km/h4
søn, sep 27☁️ Overskyet13° / 5°27%22 km/h3
man, sep 28☁️ Overskyet13° / 8°25%21 km/h4
tir, sep 29☁️ Overskyet11° / 8°15%20 km/h4

The two-week trend

Temperature trend

Cooling. The second half of the window averages 2°C cooler than the days immediately ahead.

Against the normal

The window averages 14°C against a september normal of 17°C - 3°C below.

Regnfall

The next 7 days carry about 2.8 times a normal week's rain for september (36 mm against 13 mm).

What this means for St. John's

Compared med normal

Today is slightly warmer than average for september. The forecast high of 19°C is 2.4°C above the 17°C typical for this month.

Regn chance explained

A 61% chance means rain is expected over most of the area. Plan indoor alternatives. Around 16 mm is forecast, which is enough og soak trails and slow traffic.

Rejser and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in juni og august.

Worth knowing

The gap between the warmest and coldest month averages 19°C.

What og pack, what og skip

Pack for the next 7 days
  • Layers - the daily swing is 15°C, so mornings feel nothing like afternoons
  • A packable rain shell - 5 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid januar, februar and november - historically the least comfortable months here.

Se prognosen for St. John's efter tidsinterval

St. John's weather - more answers

Explore St. John's

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

Vejr for related places

Frequently asked questions

Where is St. John's?

St. John's is a city in Newfoundland and Labrador. Its coordinates are 47.5615, -52.7126. It lies in Nordamerika.

What is the weather like in St. John's lige nu?

It is currently 11°C (51°F) med overskyet. Luftfugtighed is 93% and wind is 7 km/h.

When is the best time og visit St. John's?

juli, august and september offer the most comfortable conditions in St. John's, which has a subarctic climate. januar, februar and november are usually the hardest months for outdoor plans.

What time zone is St. John's in?

St. John's observes America/St_Johns (UTC-02:30). The local time is 12:13 AM.

How many people live in St. John's?

St. John's has a population of approximately 110.000.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts.
Prognose 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 16, 2026 at 12:13 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