Onllwyn Weather
Leave the brolly at home
Today
Partly cloudy and mild
Tomorrow
Dry early, rain arriving overnight
Weekend
Sunday looks better than Saturday
Sunday is your best bet this week
Foggy
Feels like 10°
Hourly Forecast
Sun & Daylight
Sunrise
5:15am
Sunset
9:10pm
Daylight
15h 55m
Tomorrow
4m longer
Days getting longer
What to Wear Today
Dress for 11°C (feels like 10°C) - layers are your friend.
Base Layer
- Long-sleeved shirt
- Light jumper or cardigan
Cool conditions - layers give you flexibility
Mid Layer
- Light jumper
- Hoodie
- Thin fleece
Useful for adding warmth when needed
Outer Layer
- Light jacket
- Denim jacket
- Casual coat
A light layer for when it cools down
7-Day Forecast
May Averages for Castell-nedd Port Talbot - Neath Port Talbot
Avg High
16°C
Today: 18°C
Avg Low
7°C
Today: 11°C
Avg Rainfall
63mm
Monthly total
Rainy Days
10
Days with rain
Today's high is 2°C above the May average. tonight's low is 4°C above average. drier than average today.
Today's Tips for Onllwyn
What to Pack
- Light jacket or layers
Activity Ideas
- Perfect for visiting gardens
- Ideal walking weather
This Time of Year
Spring in Onllwyn. Weather can be changeable - layers recommended.
About 15 hours of daylight. Long evenings.
Frequently asked questions
- Do I need an umbrella in Onllwyn today?
- No, you probably won't need an umbrella in Onllwyn today. Partly cloudy and mild
- What is the weather like in Onllwyn today?
- Partly cloudy and mild The temperature in Onllwyn is currently 11°C, with a high of 18°C and a low of 11°C.
- What will the weather be like in Onllwyn tomorrow?
- Dry early, rain arriving overnight Tomorrow's temperature in Onllwyn will range from 11°C to 20°C, with a 88% chance of rain.
- What is the weekend weather forecast for Onllwyn?
- Sunday looks better than Saturday
- What is the best day this week in Onllwyn?
- Sunday is your best bet this week
- Is Onllwyn good for outdoor activities this week?
- Yes, conditions in Onllwyn look reasonable for outdoor activities this week. Average temperatures around 15°C with moderate chance of rain. Check the daily forecast for the best windows.
- What should I expect from Onllwyn weather this time of year?
- Spring in Onllwyn can be changeable - expect a mix of sunshine and showers. Temperatures are gradually warming, currently averaging around 15°C. Layers and a waterproof are essential.
- What should I wear in Onllwyn today?
- A light jacket or layers work well.