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Forecast confidence: High · models disagree by 1°C

Newport weather

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Light drizzle,much the same tomorrow

Met Office, the European and the American model agree on a high near 20° in Newport today. Tomorrow looks cloudy around 18°, with a 10% chance of rain.

20°15°
18°12°
21°10°
21°13°
21°12°
19°
Todaymodels agreeTomorrowmodels agreeMondaysplit ±3°Tuesdaymodels agreeWednesdaysplit ±5°Thursdaysplit ±4°
Met OfficeUKMO model
18°
Overcast
Feels 17° · Wind 9 mph · Humidity 77%
EuropeanECMWF
16°
Partly cloudy
Feels 14° · Wind 11 mph · Humidity 80%
AmericanNOAA GFS
16°
Overcast
Feels 13° · Wind 15 mph · Humidity 82%

Latest for Newport: Met Office (UKMO model): 18° Overcast · European (ECMWF): 16° Partly cloudy · American (NOAA GFS): 16° Overcast.

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Newport weather warnings

Met Office yellow, amber and red warnings for Wales

Checking the Met Office for warnings in force for Wales…

Newport weather in numbers

measured normals and 10 years of recorded weather

Newport swings 17°C across the year, from 20°C highs in June to 3°C lows in January, and September is usually the wettest month in a year that brings about 1324 mm of precipitation. Over 10 years of recorded weather it averages 10 days a year at 25°C or above, 1 of them at 30°C or above, 16 frost nights, and rain on 159 days.

Warmest month
June
20°C average high
Coldest month
January
3°C average low
Wettest month
September
1324 mm a year
Comfortable
4 months
May, June, July and August
Residents
162,000
share this forecast
Most accurate here
Met Office
89/100 CheckWeather Score
Warm days
10 days
a year at 25°C or above
Frost nights
16 nights
a year below 0°C
Rain days
159 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Newport’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

Met Office, European, American side by side around Newport and nearby towns.Live rain radar →
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Newport 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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Newport 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
20° 15°
models agree
Tomorrow
Cloudy
18° 12°
models agree
Mon
Cloudy
21° 10°
±3°
Tue
Fog
21° 13°
models agree
Wed
Cloudy
21° 12°
±5°
Thu
Cloudy
19°
±4°
Fri
Light drizzle
20° 11°
±4°
Sat
Light drizzle
19° 11°
±7°
Sun
Cloudy
21° 11°
±3°
Mon
Light drizzle
22° 11°
models agree
Tue
Light drizzle
17° 12°
±5°
Wed
Light drizzle
18° 10°
models agree
Thu
Drizzle
20° 13°
models agree
Fri
Rain
17° 14°
±3°

Newport, Wales is at its warmest in Jun (average highs near 20°C) and coldest in Jan (lows around 3°C), with roughly 1324 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Newport 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 United Kingdom before you trust any single number.

Newport climate by month

average daytime high and overnight low across a typical year
Jan
Feb
10°
Mar
10°
Apr
12°
May
17°
10°
Jun
20°
12°
Jul
19°
13°
Aug
20°
14°
Sep
19°
13°
Oct
15°
10°
Nov
11°
Dec
10°

Which forecast is most accurate in Newport?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
Met Office logo
Met Office ★ Best
89
/100rank #1
86±0.8°C92±2.5 mph8994% hitMet Office (United Kingdom)Exeter, United Kingdom
European logo
European
89
/100rank #2
92±0.4°C93±2.3 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #3
86±0.8°C92±2.4 mph7184% 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 1887 cities. Lower error means a higher score. See which forecast model is most accurate in United Kingdom, 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 United Kingdom? Give each 1 to 5 stars.

Met OfficeUKMO 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°19° to 20°±32%68% to 100% chance
Tomorrow±2°18° to 19°±1%9% to 10% chance
Mon±3°20° to 23°±4%0% to 4% chance
Tue±2°20° to 22°±9%0% to 9% chance
Wed±5°18° to 23°±11%3% to 14% 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 Newport

today, local time
Sunrise
06:53
Sunset
19:17
Daylight
12h 24m

Common questions

What's the weather in Newport today?
On this page we show what Met Office, European, American each forecast for Newport 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 Newport today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Newport 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 Newport?
Over the last 30 days, the Met Office model has been the most accurate for Newport (CheckWeather Score 89/100), ahead of the European at 89. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Newport?
June is typically the warmest month in Newport, with average highs around 20°C.
How cold does Newport get?
The coldest month in Newport is January, when overnight lows average about 3°C.
How much rain does Newport get?
Newport sees roughly 1324 mm of precipitation a year, with September usually the wettest month.

Nearby

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