weather.rb

#!/usr/local/bin/ruby

require "open-uri"
require "json"

open("http://api.wunderground.com/api/AP_KEY/conditions/bestfct:1/q/pws:KNYSCHEN27.json") do |f|
  now = JSON.parse(f.read)["current_observation"]
  forecast = now.values_at(*%w(weather temp_f relative_humidity wind_mph feelslike_f))
  forecast.map! { |f| f.respond_to?(:downcase) ? f.downcase : f }

  puts "It's currently %s and %1.1f degrees with %s humidity.
Winds are currently %1.1f mph and it feels like %1.1f degrees." % forecast
end