Full Idea
There can be predictions without explanations, as when a barometer successfully predicts storms, but on its own it does not explain them.
Gist of Idea
A good barometer will predict a storm, but not explain it
Source
Stathis Psillos (Causation and Explanation [2002], §8.8)
Book Reference
Psillos,Stathis: 'Causation and Explanation' [Acumen 2002], p.236
A Reaction
Actually, barometers contribute to explanations. A reasonable predictor might offer no explanation ('if he's out, she's probably out too'), but an infallible predictor is almost certain to involve causation, which helps a lot in explanation.