Using the rss_to_dynarex gem to easily retrieve a 3 day weather forecast

require 'rss_to_dynarex'

rtd = RSStoDynarex.new 'http://open.live.bbc.co.uk/weather/feeds/en/2650225/3dayforecast.rss'
puts rtd.to_dynarex.all.map(&:title).join "\n"

Output

Friday: Partly Cloudy, Minimum Temperature: 4C (39F)
Saturday: Light Cloud, Maximum Temperature: 6C (43F) Minimum Temperature: 3C (37F)
Sunday: Sunny, Maximum Temperature: 6C (43F) Minimum Temperature: 0C (32F)

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