Latest Forecasts and Weather Maps
NB: NW3 is an observation site, which means it cannot provide detailed forecasts and therefore uses those that are externally produced.
Proper forecasting relies on running sophisticated computer models using data from a wide array of sources, including land-based observations sites like this one.
A full discussion of this can be found here.
Simplistic, local, live pressure-based forecast: increasing clouds with little temp change, precipitation possible within 24 to 48 hrs.
Hampstead Meteogram
Forecast for NW3
Surface Pressure Chart
