#!/path/to/python
# -*- coding: utf8 -*-
from bs4 import BeautifulSoup
from urllib2 import urlopen
html_doc = urlopen('http://www.meteoservice.ru/weather/long/name/balakovo.html')
soup = BeautifulSoup(html_doc)
a = soup.body.findNext('td',"time").string
b = soup.body.find('div',"value")
c = soup.body.find('div',"value").span.string
print a,b,c

#!/path/to/python
# -*- coding: utf8 -*-
from bs4 import BeautifulSoup
from urllib2 import urlopen
html_doc = urlopen('http://informer.gismeteo.ru/rss/27612.xml')
soup = BeautifulSoup(html_doc)
print soup('item')[0].title.string
print soup('item')[0].description.string
print ''
print soup('item')[1].title.string
print soup('item')[1].description.string
print ''
print soup('item')[2].title.string
print soup('item')[2].description.string
print ''
print soup('item')[3].title.string
print soup('item')[3].description.string

>>> from grab import Grab
>>> g = Grab()
>>> g.go('http://www.meteoservice.ru/weather/long/name/balakovo.html')
<grab.response.Response object at 0x29349f0>
>>> print g.doc.select('//td[@class="temperature"]/div[@class="value"]').text()
-1...0°