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CheckWeather CAGloucester
Forecast confidence: Medium · models disagree by 3°C

Gloucester weather

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Cloudy,rain likely tomorrow

Env. Canada, the European and the American model put Gloucester's high today between 15° and 18°, a 3° split. Tomorrow looks light drizzle around 17°, with a 68% chance of rain.

16°
17°
15°
15°
18°
18°
Todaysplit ±3°Tomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
18°
Cloudy
Today 18°·Low ·Rain 0%
EuropeanECMWF
16°
Cloudy
Today 16°·Low ·Rain 0%
AmericanNOAA GFS
15°
Cloudy
Today 15°·Low ·Rain 1%
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Gloucester weather in numbers

measured normals and 10 years of recorded weather

Gloucester swings 38°C across the year, from 27°C highs in July to -11°C lows in February, and July is usually the wettest month in a year that brings about 1155 mm of precipitation. Over 10 years of recorded weather it averages 67 days a year at 25°C or above, 14 of them at 30°C or above, 150 frost nights, and rain on 141 days.

Warmest month
July
27°C average high
Coldest month
February
-11°C average low
Wettest month
July
1155 mm a year
Comfortable
4 months
May, June, August and September
Residents
150,000
share this forecast
Most accurate here
Env. Canada
87/100 CheckWeather Score
Warm days
67 days
a year at 25°C or above
Frost nights
150 nights
a year below 0°C
Rain days
141 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Gloucester’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

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

where the models agree, and where they split
Today
Cloudy
16°
±3°
Tomorrow
Light drizzle
17°
models agree
Mon
Cloudy
15°
models agree
Tue
Cloudy
15°
models agree
Wed
Cloudy
18°
models agree
Thu
Cloudy
18°
models agree
Fri
Cloudy
19°
±4°
Sat
Mostly clear
20°
models agree
Sun
Clear
21°
models agree
Mon
Cloudy
20°
models agree
Tue
Cloudy
16° 13°
±4°
Wed
Heavy drizzle
18° 13°
±4°
Thu
Light drizzle
18° 11°
±9°
Fri
Mostly clear
15°
±6°

Gloucester, Ontario is at its warmest in Jul (average highs near 27°C) and coldest in Feb (lows around -11°C), with roughly 1155 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Gloucester 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.

Gloucester climate by month

average daytime high and overnight low across a typical year
Jan
-2°
-9°
Feb
-11°
Mar
-4°
Apr
13°
May
20°
Jun
24°
14°
Jul
27°
18°
Aug
24°
16°
Sep
23°
13°
Oct
16°
Nov
Dec
-6°

Which forecast is most accurate in Gloucester?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
EC
Env. Canada ★ Best
87
/100rank #1
86±0.8°C96±1.8 km/t8290% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
European logo
European
86
/100rank #2
91±0.5°C97±1.5 km/t7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #3
88±0.6°C97±1.5 km/t6581% 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±3°15° to 18°±1%0% to 1% chance
Tomorrow±1°16° to 18°±54%14% to 68% chance
Mon±1°14° to 15°models agree0% to 0% chance
Tue±2°14° to 16°models agree0% to 0% chance
Wed±1°17° to 18°±6%0% to 6% 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 Gloucester

today, local time
Sunrise
06:46
Sunset
19:05
Daylight
12h 19m

Common questions

What's the weather in Gloucester today?
On this page we show what Env. Canada, European, American each forecast for Gloucester 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 Gloucester today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Gloucester 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 Gloucester?
Over the last 30 days, the Env. Canada model has been the most accurate for Gloucester (CheckWeather Score 87/100), ahead of the European at 86. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Gloucester?
July is typically the warmest month in Gloucester, with average highs around 27°C.
How cold does Gloucester get?
The coldest month in Gloucester is February, when overnight lows average about -11°C.
How much rain does Gloucester get?
Gloucester sees roughly 1155 mm of precipitation a year, with July usually the wettest month.

Nearby

More CA weather