Devon weather stations are shown on the map below. To see a weather forecast click on any of the yellow buttons on the map.
And if you want the Big Picture as to what is happening over the North Atlantic and Europe
the BBC weather site gives a satellite map of Britain
CNN have a weather site and satellite map of Europe
And a couple of whole area forecasts
For South West England weather from On Line
And for Devon and Cornwall from the UK government Met Office
The climate is generally mild but very changeable. Some east facing sheltered coastal areas (Torbay is an example), support sub tropical vegetation and have acquired a reputation for exceptionally amenable climate. Hence its attraction to tourists.