gistfile1.rb

require 'open-uri'
require 'nokogiri'

zipcode = ARGV[0] || 78705
url = "http://www.weather.com/weather/hourbyhour/graph/#{zipcode}"

doc = Nokogiri::HTML(open(url))
raise('Zipcode not found') if /can't find the page you requested/ =~ doc.text
hours = doc.css('.hbhWxHour')
hours.each do |hour|
 time = hour.css('.hbhWxTime').text
 temp = hour.css('.hbhWxTemp').text
 precip = /\d*[%]/.match hour.css('.hbhWxPrecip').text
 puts "%5s: %6s (%s)\n" % [time, temp, precip]
end