Live Weather & Forecast
Weather in Islwyn
Wales, United Kingdom · Real-time conditions & 3-day outlook
11°C
Feels like 8°C
52°F / Feels 46°F
Mist
Islwyn, Wales
🌞 Daytime
Updated: 2026-04-15 20:00
Humidity
87%
Wind
32.4 km/h SW
Wind Gust
50.2 km/h
Pressure
1011 mb
Visibility
5 km
UV Index
0
(Low)
Precipitation
0.26 mm
Cloud Cover
75%
Dew Point
7.5°C
Wind Degree
219°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
148.9 μg/m³
NO₂
1.6 μg/m³
O₃
92 μg/m³
SO₂
1.1 μg/m³
PM 2.5
6.6 μg/m³
PM 10
26.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Islwyn, Wales
12 AM
11°
Patchy rain nearby
1 AM
11°
Patchy rain nearby
2 AM
11°
Patchy rain nearby
3 AM
11°
Patchy rain nearby
4 AM
11°
Patchy rain nearby
5 AM
11°
Patchy rain nearby
6 AM
11°
Patchy rain nearby
7 AM
11°
Overcast
8 AM
12°
Cloudy
9 AM
12°
Patchy rain nearby
10 AM
12°
Patchy rain nearby
11 AM
12°
Light rain shower
12 PM
12°
Light rain shower
1 PM
11°
Light rain shower
2 PM
11°
Patchy rain nearby
3 PM
12°
Patchy rain nearby
4 PM
11°
Patchy rain nearby
5 PM
11°
Patchy rain nearby
6 PM
10°
Patchy rain nearby
7 PM
10°
Patchy rain nearby
8 PM
11°
Mist
9 PM
9°
Patchy rain nearby
10 PM
10°
Light rain shower
11 PM
10°
Light rain shower
3-Day Forecast
Daily overview for Islwyn, Wales
Today
Patchy rain nearby
12°
/
9°
🌧️ 99% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 40.7 km/h
🌧️ Total precip: 4.16 mm
☀️ UV Index: 0.6
🌅 Sunrise: 06:20 AM
🌇 Sunset: 08:13 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
11°
/
9°
🌧️ 94% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 37.4 km/h
🌧️ Total precip: 2.37 mm
☀️ UV Index: 1
🌅 Sunrise: 06:18 AM
🌇 Sunset: 08:15 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
12°
/
8°
🌧️ 89% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 3.15 mm
☀️ UV Index: 0.6
🌅 Sunrise: 06:16 AM
🌇 Sunset: 08:17 PM
🌙 New Moon
🌑 Moon: 0% 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: Mist, temperature 11°C, humidity 87%.
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.