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- ToC limits usage to non-commercial use
- Key only required for location lookups
- Much nicer icons
- Provides forecasts only two days into the future
- API key requests at https://developer.apps.yahoo.com/wsregapp/
World Weather Online
- Free to both non-commercial and commercial users
- Requires a key for both weather and location lookups
- Requires 15 minute caching of each feed (already the weather portlet's default caching strategy)
- Limit of 500 requests / hour
- Provides forecasts several days into the future (configurable)
- API key requests at http://www.worldweatheronline.com/register.aspx
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