grab the current temp and the forecast for the next few days

weather.py

#! /usr/bin/env python
# encoding: utf-8

import json
import urllib2

# weather underground api key
api_key = ''

u = urllib2.urlopen("http://api.wunderground.com/api/%s/geolookup/q/autoip.json" % api_key)
loc = json.load(u)
u.close()

u = urllib2.urlopen("http://api.wunderground.com/api/%s/conditions/forecast/q/%s.json" % \
            (api_key, loc[u'location'][u'zip']))
wug = json.load(u)
u.close()

print "Weather for %s:\n----------------------------" % \
            wug[u'current_observation'][u'display_location'][u'full']
print "Current temperature: %sF\n" % wug[u'current_observation'][u'temp_f']

for day in wug[u'forecast'][u'txt_forecast'][u'forecastday']:
    print "%s: %s\n" % (day[u'title'],day[u'fcttext'])