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CheckWeather CALac-Megantic
Forecast confidence: Medium · models disagree by 2°C

Lac-Megantic weather

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Cloudy,much the same tomorrow

Env. Canada, the European and the American model put Lac-Megantic's high today between 17° and 19°, a 2° split. Tomorrow looks clear around 21°, with a 6% chance of rain.

18°11°
21°
19°10°
18°
21°14°
15°
Todaysplit ±2°Tomorrowmodels agreeTuesdaymodels agreeWednesdaysplit ±4°Thursdaysplit ±5°Fridaysplit ±6°
Env. CanadaGEM model
19°
Cloudy
Today 19°·Low 11°·Rain 71%
EuropeanECMWF
18°
Light drizzle
Today 18°·Low 11°·Rain 72%
AmericanNOAA GFS
17°
Cloudy
Today 17°·Low 10°·Rain 39%

The weather map: all three models at once

Env. Canada, European, American side by side around Lac-Megantic and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Cloudy
18° 11°
±2°
Tomorrow
Clear
21°
models agree
Tue
Light drizzle
19° 10°
models agree
Wed
Drizzle
18°
±4°
Thu
Showers
21° 14°
±5°
Fri
Light drizzle
15°
±6°
Sat
Cloudy
21°
±8°
Sun
Showers
23° 11°
±12°
Mon
Light drizzle
18°
±12°
Tue
Rain
16° 11°
models agree
Wed
Partly cloudy
18°
±3°
Thu
Drizzle
18°
models agree
Fri
Cloudy
17°
±3°
Sat
Drizzle
17°
models agree

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 Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
86
/100rank #1
92±0.4°C97±1.3 km/t7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
69
/100rank #2
67±1.8°C95±2.5 km/t5374% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
61
/100rank #3
76±1.3°C97±1.5 km/t1855% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°17° to 19°±33%39% to 72% chance
Tomorrow±2°20° to 21°±3%3% to 6% chance
Tue±1°18° to 19°±34%14% to 48% chance
Wed±4°17° to 21°±13%76% to 89% chance
Thu±5°18° to 23°±6%89% to 95% 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
06:11
Sunset
19:12
Daylight
13h 1m

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 86/100), ahead of the Env. Canada at 69. 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

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