"I think it was starting to really rankle me that almost every online application I tried had a bundled weather forecaster - surely enough was enough? Anyway, it made me determined to find out the best way of getting weather forecasts on a Symbian OS smartphone, once and for all, after which I could ignore all the other options.
One disclaimer is that I was focussing on UK weather forecasts. While many of the systems below are truly international, some aren't, but there will be equivalent local alternatives for most other regions of the world. My aim, for each item tried, was to get an accurate five day weather summary for my (fairly large) home town of Reading, in Berkshire, UK.
WorldMate
A commercial application whose core content has recently been made free (for the S60 version), WorldMate gets ten out of ten for polished professionalism. It's trivial to install and the weather component can be set to update manually, or once or even twice a day, using an Internet access point of your choice. There's also an optional spoken voice summary that chimes up when you're not expecting it and frightens the life out of you...."