Skip to main content
Every UK forecast, compared
checkweather.io
CheckWeather UKPortadown
Forecast confidence: High · models disagree by 1°C

Portadown weather

Loading live data…

Drizzle,rain likely tomorrow

Met Office, the European and the American model agree on a high near 20° in Portadown today. Tomorrow looks light rain around 17°, with a 88% chance of rain.

20°15°
17°11°
15°10°
17°11°
17°12°
16°12°
Todaymodels agreeTomorrowmodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agreeFridaymodels agree
Met OfficeUKMO model
16°
Overcast
Feels 14° · Wind 10 mph · Humidity 80%
EuropeanECMWF
15°
Light drizzle
Feels 14° · Wind 10 mph · Humidity 87%
AmericanNOAA GFS
14°
Overcast
Feels 13° · Wind 9 mph · Humidity 89%

Latest for Portadown: Met Office (UKMO model): 16° Overcast · European (ECMWF): 15° Light drizzle · American (NOAA GFS): 14° Overcast.

The weather map: all three models at once

Met Office, European, American side by side around Portadown 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
Drizzle
20° 15°
models agree
Tomorrow
Light rain
17° 11°
models agree
Tue
Drizzle
15° 10°
models agree
Wed
Cloudy
17° 11°
models agree
Thu
Light drizzle
17° 12°
models agree
Fri
Light drizzle
16° 12°
models agree
Sat
Heavy drizzle
17°
models agree
Sun
Heavy drizzle
18° 12°
±3°
Mon
Drizzle
19° 11°
±4°
Tue
Light drizzle
15°
±2°
Wed
Light drizzle
16°
±4°
Thu
Light drizzle
17° 10°
±5°
Fri
Light drizzle
15°
±4°
Sat
Cloudy
16°
±3°

Portadown, Northern Ireland is at its warmest in Jun (average highs near 19°C) and coldest in Jan (lows around 3°C), with roughly 1101 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Portadown 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.

Portadown climate by month

average daytime high and overnight low across a typical year
Jan
Feb
10°
Mar
10°
Apr
12°
May
17°
Jun
19°
11°
Jul
18°
11°
Aug
19°
12°
Sep
17°
10°
Oct
14°
Nov
10°
Dec

Which forecast is most accurate in Portadown?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
Met Office logo
Met Office ★ Best
80
/100rank #1
87±0.7°C90±3.0 mph6581% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
79
/100rank #2
87±0.7°C95±1.6 mph5877% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
78
/100rank #3
88±0.7°C96±1.2 mph5374% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1880 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°19° to 20°±32%45% to 77% chance
Tomorrow±1°16° to 17°±11%77% to 88% chance
Tue±1°15° to 15°±7%71% to 78% chance
Wed±1°16° to 17°±7%9% to 16% chance
Thu±1°17° to 18°±6%47% to 53% 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 Portadown

today, local time
Sunrise
06:42
Sunset
20:05
Daylight
13h 23m

Common questions

What's the weather in Portadown today?
On this page we show what Met Office, European, American each forecast for Portadown 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 Portadown today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Portadown 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 Portadown?
Over the last 30 days, the Met Office model has been the most accurate for Portadown (CheckWeather Score 80/100), ahead of the American at 79. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Portadown?
June is typically the warmest month in Portadown, with average highs around 19°C.
How cold does Portadown get?
The coldest month in Portadown is January, when overnight lows average about 3°C.
How much rain does Portadown get?
Portadown sees roughly 1101 mm of precipitation a year, with July usually the wettest month.

Nearby

More UK weather