World Weather Info - New weather service, where you can not only check the weather forecast, but also take part in its creation.
Navver - A navigation app with live weather radar.
Dark Sky - Hyperlocal weather information, now on the web ⛈
Hello Weather - The amazingly accurate, perfectly powerful, seriously simple weather app.
Tropos - Weather beautifully presented with no dew points or ads
Tide.is - An app that provides tidal info based on your geo-location