Barnham Rain Forecast
West Sussex — Precipitation & Rainfall
Barnham Rain Outlook
In Barnham today, rainfall is set to feature, with a mixture of dry spells and showery interludes through the hours.
Over the coming fortnight, rainfall in Barnham is likely to bring a recurring shower theme, with dry spells in between. There is some uncertainty in exactly which days will see the heaviest rainfall.
Current & Today
Now
Today
Today’s Hourly Rain Chance
14-Day Precipitation
Rain Charts
Forecast context and reference links
For Barnham, the forecast is best read as a combination of short-range detail and broader regime. The first few days carry the highest timing confidence, while later periods describe direction and pattern.
- England Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- England 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 Weather Front, Cold Front, Warm Front, Occluded Front, Relative Humidity, and Dew Point.
FAQ
Will it rain in Barnham today?
Rain risk in Barnham today is around 84%. Timing can vary locally, especially with showers and passing fronts.
What is the chance of rain in Barnham over the next 14 days?
The 14-day rain outlook for Barnham 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 Barnham?
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 Barnham?
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 Barnham 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.