Live Weather & Forecast
Weather in Portstewart
Northern Ireland / Tuaisceart Éireann, United Kingdom · Real-time conditions & 3-day outlook
3°C
Feels like -1°C
38°F / Feels 31°F
Clear
Portstewart, Northern Ireland / Tuaisceart Éireann
🌞 Daytime
Updated: 2026-04-13 06:45
Humidity
87%
Wind
16.6 km/h S
Wind Gust
30.9 km/h
Pressure
1008 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
0.9°C
Wind Degree
170°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
150.9 μg/m³
NO₂
1.8 μg/m³
O₃
73 μg/m³
SO₂
1.1 μg/m³
PM 2.5
4.4 μg/m³
PM 10
12.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Portstewart, Northern Ireland / Tuaisceart Éireann
12 AM
5°
Clear
1 AM
4°
Clear
2 AM
4°
Clear
3 AM
4°
Clear
4 AM
3°
Clear
5 AM
3°
Clear
6 AM
3°
Clear
7 AM
3°
Partly Cloudy
8 AM
4°
Partly Cloudy
9 AM
5°
Partly Cloudy
10 AM
6°
Partly Cloudy
11 AM
8°
Partly Cloudy
12 PM
9°
Patchy rain nearby
1 PM
9°
Patchy rain nearby
2 PM
9°
Patchy rain nearby
3 PM
9°
Light rain shower
4 PM
9°
Light rain shower
5 PM
9°
Light rain shower
6 PM
9°
Light rain shower
7 PM
8°
Patchy rain nearby
8 PM
7°
Patchy rain nearby
9 PM
7°
Partly Cloudy
10 PM
6°
Clear
11 PM
5°
Clear
3-Day Forecast
Daily overview for Portstewart, Northern Ireland / Tuaisceart Éireann
Today
Patchy rain nearby
9°
/
3°
🌧️ 93% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 3.16 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:28 AM
🌇 Sunset: 08:27 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
9°
/
4°
🌧️ 83% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 37.8 km/h
🌧️ Total precip: 1.94 mm
☀️ UV Index: 0.4
🌅 Sunrise: 06:25 AM
🌇 Sunset: 08:29 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Moderate rain
11°
/
9°
🌧️ 87% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 34.6 km/h
🌧️ Total precip: 9.66 mm
☀️ UV Index: 0.4
🌅 Sunrise: 06:23 AM
🌇 Sunset: 08:31 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Portstewart
Plan your trip to Portstewart, United Kingdom around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Portstewart?
Current conditions in Portstewart: Clear, temperature 3°C, humidity 87%.
What is the best time to visit Portstewart?
The best time to visit Portstewart is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Portstewart?
Portstewart is located at approximately 55.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Portstewart?
The wettest period in Portstewart is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Portstewart?
For visits to Portstewart during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Portstewart in?
Portstewart is located in United Kingdom, in the state of Northern Ireland / Tuaisceart Éireann.
What are the public holidays in Portstewart in 2026?
View the 2026 public holidays for Portstewart on our Holidays page.
What are the GPS coordinates used for the weather forecast in Portstewart?
The weather forecast for Portstewart uses coordinates 55.1829, -6.7187.