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Porth weather

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Met OfficeUKMO model
8°
Overcast
Feels 5° · Wind 10 mph · Humidity 89%
EuropeanECMWF
8°
Partly cloudy
Feels 3° · Wind 14 mph · Humidity 90%
AmericanNOAA GFS
7°
Mainly clear
Feels 3° · Wind 17 mph · Humidity 93%

Latest for Porth: Met Office (UKMO model): 8° Overcast · European (ECMWF): 8° Partly cloudy · American (NOAA GFS): 7° Mainly clear.

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Porth weather warnings

Met Office yellow, amber and red warnings for Wales

Checking the Met Office for warnings in force for Wales…

Porth weather in numbers

from 30 years of measured normals

Porth swings 17°C across the year, from 18°C highs in August to 1°C lows in February, and October is usually the wettest month in a year that brings about 1612 mm of precipitation.

Warmest month
August
18°C average high
Coldest month
February
1°C average low
Wettest month
October
1612 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
June, July, August and September

The weather map: all three models at once

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

where the models agree, and where they split

Porth, Wales is at its warmest in Aug (average highs near 18°C) and coldest in Feb (lows around 1°C), with roughly 1612 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Porth 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.

Porth climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
6°
2°
Feb
6°
1°
Mar
8°
3°
Apr
11°
5°
May
15°
7°
Jun
17°
9°
Jul
17°
11°
Aug
18°
12°
Sep
16°
10°
Oct
12°
8°
Nov
9°
5°
Dec
6°
3°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Porth has changed since 1995

Porth sits in the same roughly 50 km square of NASA's reanalysis as Cardiff. That square ran 0.4°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Cardiff page.

Which forecast is most accurate in the UK?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
95±0.3°C97±1.1 mph8793% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
Met Office logo
Met Office
86
/100rank #2
91±0.5°C95±1.6 mph7586% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
85
/100rank #3
89±0.6°C92±2.4 mph7586% 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 1950 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.

Common questions

What's the weather in Porth today?
On this page we show what Met Office, European, American each forecast for Porth 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 Porth today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Porth 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 Porth?
No single model is always right. Met Office, European, American each run their own physics, so we line all three up: when they agree the Porth forecast is reliable, and when they split you should expect surprises. See our tested UK accuracy scoreboard for how the models compare.
What is the warmest month in Porth?
August is typically the warmest month in Porth, with average highs around 18°C.
How cold does Porth get?
The coldest month in Porth is February, when overnight lows average about 1°C.
How much rain does Porth get?
Porth sees roughly 1612 mm of precipitation a year, with October usually the wettest month.

Nearby

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