http://weatherloop.com
That said, "bring a coat" is more common advice than "bring an umbrella" so I might switch from http://umbrellatoday.com
That being said, I feel like you can't charge people for what you provide. I think it is too much of a limiting factor for the user. Personally, my mind turned off after I looked at pricing. I checked the rest of the site but it was over once I knew you were charging me.
People expect a service like this to be free. It's Chacha vs. KGB, only you don't have the millions that KGB spends on marketing.
That's just my opinion as a member of the freemium or steal-me-sum generation.
This post is about how non-subscription services make money:http://news.ycombinator.com/item?id=1716778. I hope it helps.
Cheers!