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CheckWeather CADowntown St. John's
Forecast confidence: High · models disagree by 0°C

Downtown St. John's weather

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Heavy drizzle,rain likely tomorrow

Env. Canada, the European and the American model agree on a high near 14° in Downtown St. John's today. Tomorrow looks light drizzle around 11°, with a 45% chance of rain.

14°
11°
14°
13°
13°
18°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±3°Wednesdaymodels agreeThursdaysplit ±3°
Env. CanadaGEM model
14°
Heavy drizzle
Today 14°·Low ·Rain 96%
EuropeanECMWF
13°
Heavy drizzle
Today 13°·Low ·Rain 100%
AmericanNOAA GFS
13°
Drizzle
Today 13°·Low ·Rain 100%
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Downtown St. John's weather in numbers

from 30 years of measured normals

Downtown St. John's swings 27°C across the year, from 21°C highs in July to -6°C lows in February, and November is usually the wettest month in a year that brings about 1602 mm of precipitation.

Warmest month
July
21°C average high
Coldest month
February
-6°C average low
Wettest month
November
1602 mm a year
Below freezing
5 months
January, February, March, April and December
Comfortable
3 months
July, August and September
Residents
9,431
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The weather map: all three models at once

Env. Canada, European, American side by side around Downtown St. John's and nearby towns.Live rain radar →
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Downtown St. John's hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Downtown St. John's 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Heavy drizzle
14°
models agree
Tomorrow
Light drizzle
11°
models agree
Mon
Rain
14°
models agree
Tue
Heavy showers
13°
±3°
Wed
Mostly clear
13°
models agree
Thu
Clear
18°
±3°
Fri
Cloudy
16° 10°
models agree
Sat
Cloudy
14°
±7°
Sun
Partly cloudy
17°
models agree
Mon
Rain
17°
±4°
Tue
Rain
19° 11°
±4°
Wed
Light drizzle
16° 11°
models agree
Thu
Cloudy
14° 12°
±3°
Fri
Heavy drizzle
16° 12°
±8°

Downtown St. John's, Newfoundland and Labrador is at its warmest in Jul (average highs near 21°C) and coldest in Feb (lows around -6°C), with roughly 1602 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Downtown St. John's right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in Canada before you trust any single number.

Downtown St. John's climate by month

average daytime high and overnight low across a typical year
Jan
-4°
Feb
-1°
-6°
Mar
-3°
Apr
-1°
May
Jun
14°
Jul
21°
15°
Aug
20°
14°
Sep
17°
12°
Oct
12°
Nov
Dec
-1°

Which forecast is most accurate in Downtown St. John's?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
86
/100rank #1
88±0.7°C98±1.1 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
74
/100rank #2
70±1.6°C93±3.4 km/t6581% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
71
/100rank #3
66±1.9°C96±1.8 km/t5877% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1304 cities. Lower error means a higher score. See which forecast model is most accurate in Canada, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in Canada? Give each 1 to 5 stars.

Env. CanadaGEM model
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EuropeanECMWF
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AmericanNOAA GFS
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Todaymodels agree13° to 14°±4%96% to 100% chance
Tomorrow±1°11° to 12°±10%35% to 45% chance
Mon±2°13° to 15°±18%61% to 79% chance
Tue±3°12° to 15°±22%68% to 90% chance
Wed±1°13° to 14°±8%10% to 18% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Downtown St. John's

today, local time
Sunrise
06:43
Sunset
19:04
Daylight
12h 21m

Common questions

What's the weather in Downtown St. John's today?
On this page we show what Env. Canada, European, American each forecast for Downtown St. John's today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Downtown St. John's today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Downtown St. John's and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Downtown St. John's?
Over the last 30 days, the European model has been the most accurate for Downtown St. John's (CheckWeather Score 86/100), ahead of the Env. Canada at 74. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Downtown St. John's?
July is typically the warmest month in Downtown St. John's, with average highs around 21°C.
How cold does Downtown St. John's get?
The coldest month in Downtown St. John's is February, when overnight lows average about -6°C.
How much rain does Downtown St. John's get?
Downtown St. John's sees roughly 1602 mm of precipitation a year, with November usually the wettest month.

Nearby

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