Penmon Rain Forecast
Isle of Anglesey — Precipitation & Rainfall
Penmon Rain Outlook
Today in Penmon, persistent rain affecting the area throughout — the watchword for the day ahead.
The 14-day rain signal for Penmon is dominated by persistent and at times heavy rainfall, with few dry interludes for much of the period. Localised variations in rainfall totals are likely, especially across higher ground.
Current & Today
Now
Today
Today’s Hourly Rain Chance
14-Day Precipitation
Rain Charts
Forecast context and reference links
To plan confidently, separate what is likely from what is uncertain. Use the supporting guides to understand why the outlook is behaving the way it is for Penmon.
- Wales Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- Wales for location browsing and regional navigation.
How to interpret confidence
For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.
Background guides
- UK Weather Patterns
- UK Seasonal Weather
- UK Weather Hazards
- UK Weather Safety
- UK Jet Stream
- UK Microclimates
Glossary support
Start with the Weather Glossary. Useful terms for this page include Cold Front, Warm Front, Occluded Front, Relative Humidity, Dew Point, and Orographic Uplift.
FAQ
Will it rain in Penmon today?
Rain risk in Penmon today is around 94%. Timing can vary locally, especially with showers and passing fronts.
What is the chance of rain in Penmon over the next 14 days?
The 14-day rain outlook for Penmon shows day-by-day rain chances and an overall wet/dry signal. Use the first few days for detail and the later period for broader risk.
What does ‘chance of rain’ mean for Penmon?
It’s the likelihood of measurable precipitation at some point — it does not mean it will rain continuously or everywhere in the area.
When is rain timing most reliable in Penmon?
Timing is usually most reliable in the next 24–72 hours. Beyond that, use the outlook to understand overall risk rather than exact hours.
Does the rain forecast for Penmon include showers and drizzle?
Yes — the precipitation outlook covers all measurable precipitation types. Light drizzle can be harder to pin down precisely than organised rain bands.