Weather forecast for todayPortmarnock, Ireland

Weather forecast for today

Current condition 8:28 am GMT

  • 6°C
  • Feels like:
    4°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 6km/hNW 320°
  • Humidity: 82%
  • Dewpoint: 3°C
  • Pressure: 1035.9mbar
  • Visibility: 14.48km
  • UV index: 0
  • ▼
At the moment, the sun is hidden behind a thick cloud layer, creating predominantly cloudy conditions.
The temperature is a chilly 6°C, with the feels-like temperature being estimated at a wintry 4°C. The current temperature is near the lowest expected 8°C for today.

Sunday 18. Oct 2026

  • 13°C
  • 8°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 10km/hNE 46°
  • Humidity: 71%
  • UV index: 2
  • Sunrise: 7:57 am IST
  • Sunset: 6:22 pm IST
  • ▼
On Sunday, 18th of October, clouds and sunshine will alternate throughout the day.
Minor temperature shifts are expected, peaking at a maximum of a moderate 13°C and dropping to a minimum of a brisk 8°C.
Expect temperatures to reach October's average high of 13.4°C.
Sunrise was at 7:57 am and sunset will be at 6:22 pm; the daylight will last for 10h and 25min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 12°C.
Coldest hour: 10 am 7°C.

Chance of precipitation

Highest chance: 12 pm 15%.

Hourly weather forecast

  • 10 am
  • 7°C
  • Feels like:
    6°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 6km/hNNW 328°
  • Humidity: 79%
  • Pressure: 1036mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 11 am
  • 9°C
  • Feels like:
    8°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 6km/hN 352°
  • Humidity: 76%
  • Pressure: 1036mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 12 pm
  • 10°C
  • Feels like:
    9°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 6km/hNE 34°
  • Humidity: 72%
  • Pressure: 1035mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 1 pm
  • 11°C
  • Feels like:
    11°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 7km/hENE 61°
  • Humidity: 67%
  • Pressure: 1035mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 2 pm
  • 12°C
  • Feels like:
    11°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 9km/hENE 67°
  • Humidity: 66%
  • Pressure: 1034mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 3 pm
  • 12°C
  • Feels like:
    11°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 8km/hENE 73°
  • Humidity: 63%
  • Pressure: 1034mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 4 pm
  • 12°C
  • Feels like:
    11°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 9km/hENE 70°
  • Humidity: 63%
  • Pressure: 1034mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 5 pm
  • 11°C
  • Feels like:
    10°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 10km/hENE 65°
  • Humidity: 64%
  • Pressure: 1034mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 6 pm
  • 10°C
  • Feels like:
    9°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 9km/hENE 65°
  • Humidity: 68%
  • Pressure: 1034mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 6:22 pm
  • 7 pm
  • 9°C
  • Feels like:
    8°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 8km/hENE 61°
  • Humidity: 72%
  • Pressure: 1033mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8 pm
  • 9°C
  • Feels like:
    8°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 8km/hENE 60°
  • Humidity: 74%
  • Pressure: 1033mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 9 pm
  • 9°C
  • Feels like:
    8°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 7km/hNE 48°
  • Humidity: 75%
  • Pressure: 1033mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 10 pm
  • 9°C
  • Feels like:
    8°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 7km/hNE 50°
  • Humidity: 76%
  • Pressure: 1033mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 11 pm
  • 9°C
  • Feels like:
    7°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 8km/hNE 53°
  • Humidity: 77%
  • Pressure: 1033mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, the weather will be cloudy.
The temperature will vary between a maximum of 12°C and a minimum of 7°C. The warmest part of the day will be from 2 pm to 4 pm.
Today, the temperature is forecasted to be consistent with the usual maximum for October. The minimum temperature will be also alike with October's average low of 9.2°C.
Updated: Oct 18, 2026 @ 08:28:03 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 8:28 am GMT is 6°C.

Today, in Portmarnock, moderate cloud cover will mix with sunshine throughout the day.

Today, the maximum temperature will be 13°C, while the minimum temperature will be 8°C.
The maximum temperature will be in line with the average highest temperature of 13.4°C in October. The lowest temperature today will be also in line with the average low temperature.

On Sunday, in Portmarnock, sunrise was at 7:57 am and sunset will be at 6:22 pm (IST).

In Portmarnock, today, there will be 10h and 25min of daylight.