Live Weather & Forecast
Weather in Islwyn
Wales, United Kingdom · Real-time conditions & 3-day outlook
11°C
Feels like 8°C
52°F / Feels 47°F
Moderate rain
Islwyn, Wales
🌞 Daytime
Updated: 2026-04-17 10:45
Humidity
94%
Wind
24.5 km/h SSW
Wind Gust
35.9 km/h
Pressure
1015 mb
Visibility
1.2 km
UV Index
0.2
(Low)
Precipitation
0.61 mm
Cloud Cover
100%
Dew Point
9.9°C
Wind Degree
212°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
141.9 μg/m³
NO₂
2.9 μg/m³
O₃
78 μg/m³
SO₂
1.2 μg/m³
PM 2.5
6.4 μg/m³
PM 10
13.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Islwyn, Wales
12 AM
9°
Patchy rain nearby
1 AM
9°
Patchy rain nearby
2 AM
9°
Cloudy
3 AM
10°
Overcast
4 AM
10°
Cloudy
5 AM
10°
Overcast
6 AM
10°
Patchy rain nearby
7 AM
10°
Light rain
8 AM
10°
Light drizzle
9 AM
10°
Light rain
10 AM
11°
Moderate rain
11 AM
10°
Light drizzle
12 PM
11°
Patchy rain nearby
1 PM
12°
Patchy rain nearby
2 PM
12°
Sunny
3 PM
12°
Partly Cloudy
4 PM
11°
Sunny
5 PM
11°
Sunny
6 PM
11°
Sunny
7 PM
10°
Partly Cloudy
8 PM
9°
Partly Cloudy
9 PM
9°
Partly Cloudy
10 PM
9°
Patchy rain nearby
11 PM
8°
Patchy rain nearby
3-Day Forecast
Daily overview for Islwyn, Wales
Today
Patchy rain nearby
12°
/
8°
🌧️ 98% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 3.59 mm
☀️ UV Index: 0.4
🌅 Sunrise: 06:16 AM
🌇 Sunset: 08:17 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Patchy rain nearby
12°
/
6°
🌧️ 87% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0.77 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:14 AM
🌇 Sunset: 08:18 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Sun, Apr 19
Sunny
12°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:12 AM
🌇 Sunset: 08:20 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Best Time to Visit Islwyn
Plan your trip to Islwyn, 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 Islwyn?
Current conditions in Islwyn: Moderate rain, temperature 11°C, humidity 94%.
What is the best time to visit Islwyn?
The best time to visit Islwyn is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Islwyn?
Islwyn is located at approximately 51.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Islwyn?
The wettest period in Islwyn is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Islwyn?
For visits to Islwyn during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Islwyn in?
Islwyn is located in United Kingdom, in the state of Wales.
What are the public holidays in Islwyn in 2026?
View the 2026 public holidays for Islwyn on our Holidays page.
What are the GPS coordinates used for the weather forecast in Islwyn?
The weather forecast for Islwyn uses coordinates 51.6833, -4.1126.