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Every Canadian forecast, compared
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CheckWeather CAGrand Falls

Grand Falls weather

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The weather map: all three models at once

Env. Canada, European, American side by side around Grand Falls and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Grand Falls, New Brunswick is at its warmest in Jul (average highs near 25°C) and coldest in Feb (lows around -15°C), with roughly 1041 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Grand Falls 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.

Grand Falls climate by month

average daytime high and overnight low across a typical year
Jan
-4°
-14°
Feb
-4°
-15°
Mar
-6°
Apr
-2°
May
17°
Jun
21°
11°
Jul
25°
16°
Aug
22°
14°
Sep
20°
10°
Oct
13°
Nov
-3°
Dec
-1°
-9°

Which forecast is most accurate in Grand Falls?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
91±0.5°C97±1.4 km/t8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
80
/100rank #2
79±1.2°C96±1.9 km/t7184% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
73
/100rank #3
85±0.9°C96±2.1 km/t4268% 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 1302 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.

Common questions

What's the weather in Grand Falls today?
On this page we show what Env. Canada, European, American each forecast for Grand Falls 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 Grand Falls today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Grand Falls 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 Grand Falls?
Over the last 30 days, the European model has been the most accurate for Grand Falls (CheckWeather Score 89/100), ahead of the Env. Canada at 80. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Grand Falls?
July is typically the warmest month in Grand Falls, with average highs around 25°C.
How cold does Grand Falls get?
The coldest month in Grand Falls is February, when overnight lows average about -15°C.
How much rain does Grand Falls get?
Grand Falls sees roughly 1041 mm of precipitation a year, with June usually the wettest month.

Nearby

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