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Forecast confidence: High · models disagree by 1°C

Lac-Megantic weather

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Clear,rain likely tomorrow

Env. Canada, the European and the American model agree on a high near 14° in Lac-Megantic today. Tomorrow looks light rain around 14°, with a 88% chance of rain, and the models disagree, so treat it as uncertain.

14°
14°
13°
14°
16°
16°
Todaymodels agreeTomorrowsplit ±6°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±3°
Env. CanadaGEM model
15°
Clear
Today 15°·Low ·Rain 0%
EuropeanECMWF
15°
Partly cloudy
Today 15°·Low ·Rain 0%
AmericanNOAA GFS
14°
Cloudy
Today 14°·Low ·Rain 0%
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Lac-Megantic weather in numbers

from 30 years of measured normals

Lac-Megantic swings 36°C across the year, from 24°C highs in July to -12°C lows in February, and July is usually the wettest month in a year that brings about 1224 mm of precipitation.

Warmest month
July
24°C average high
Coldest month
February
-12°C average low
Wettest month
July
1224 mm a year
Below freezing
6 months
January, February, March, April, November and December
Comfortable
4 months
May, June, August and September
Residents
5,747
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The weather map: all three models at once

Env. Canada, European, American side by side around Lac-Megantic and nearby towns.Live rain radar →
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Lac-Megantic 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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Lac-Megantic 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Clear
14°
models agree
Tomorrow
Light rain
14°
±6°
Mon
Light drizzle
13°
models agree
Tue
Cloudy
14°
models agree
Wed
Clear
16°
models agree
Thu
Cloudy
16°
±3°
Fri
Cloudy
15°
±7°
Sat
Cloudy
18°
models agree
Sun
Partly cloudy
18°
±7°
Mon
Light drizzle
18°
±3°
Tue
Cloudy
16° 10°
models agree
Wed
Light rain
20°
models agree
Thu
Light rain
17° 11°
models agree
Fri
Cloudy
12°
±4°

Lac-Megantic, Quebec is at its warmest in Jul (average highs near 24°C) and coldest in Feb (lows around -12°C), with roughly 1224 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Lac-Megantic 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.

Lac-Megantic climate by month

average daytime high and overnight low across a typical year
Jan
-3°
-10°
Feb
-2°
-12°
Mar
-6°
Apr
10°
-1°
May
17°
Jun
21°
12°
Jul
24°
16°
Aug
21°
13°
Sep
20°
11°
Oct
13°
Nov
-3°
Dec
-1°
-9°

Which forecast is most accurate in Lac-Megantic?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
88
/100rank #1
92±0.5°C98±0.9 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
68
/100rank #2
71±1.6°C94±2.8 km/t4771% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
66
/100rank #3
80±1.1°C97±1.4 km/t2961% 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
Today±1°14° to 15°models agree0% to 0% chance
Tomorrow±6°11° to 17°±6%82% to 88% chance
Mon±2°12° to 13°±28%16% to 44% chance
Tue±1°13° to 15°models agree0% to 0% chance
Wed±1°16° to 17°models agree0% to 0% 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 Lac-Megantic

today, local time
Sunrise
06:26
Sunset
18:46
Daylight
12h 20m

Common questions

What's the weather in Lac-Megantic today?
On this page we show what Env. Canada, European, American each forecast for Lac-Megantic 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 Lac-Megantic today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Lac-Megantic 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 Lac-Megantic?
Over the last 30 days, the European model has been the most accurate for Lac-Megantic (CheckWeather Score 88/100), ahead of the Env. Canada at 68. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Lac-Megantic?
July is typically the warmest month in Lac-Megantic, with average highs around 24°C.
How cold does Lac-Megantic get?
The coldest month in Lac-Megantic is February, when overnight lows average about -12°C.
How much rain does Lac-Megantic get?
Lac-Megantic sees roughly 1224 mm of precipitation a year, with July usually the wettest month.

Nearby

More CA weather