http://www.weather.gov/forecasts/xml/sample_products/browser_interface/ndfdXMLclient.php?lat=35.51&lon=-82.35&product=time-series&begin=2009-09-09T00:00:00&end=2009-09-10T00:00:00&temp=temp
response:
<?xml version="1.0"?>
<dwml version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.nws.noaa.gov/forecasts/xml/DWMLgen/schema/DWML.xsd">
<head>
<product srsName="WGS 1984" concise-name="time-series" operational-mode="official">
<title>NOAA's National Weather Service Forecast Data</title>
<field>meteorological</field>
<category>forecast</category>
<creation-date refresh-frequency="PT1H">2009-09-09T15:10:50Z</creation-date>
</product>
<source>
<more-information>http://www.nws.noaa.gov/forecasts/xml/</more-information>
<production-center>Meteorological Development Laboratory<sub-center>Product Generation Branch</sub-center></production-center>
<disclaimer>http://www.nws.noaa.gov/disclaimer.html</disclaimer>
<credit>http://www.weather.gov/</credit>
<credit-logo>http://www.weather.gov/images/xml_logo.gif</credit-logo>
<feedback>http://www.weather.gov/feedback.php</feedback>
</source>
</head>
<data>
<location>
<location-key>point1</location-key>
<point latitude="35.51" longitude="-82.35"/>
</location>
<moreWeatherInformation applicable-location="point1">http://forecast.weather.gov/MapClick.php?textField1=35.51&textField2=-82.35</moreWeatherInformation>
<time-layout time-coordinate="local" summarization="none">
<layout-key>k-p3h-n6-1</layout-key>
<start-valid-time>2009-09-09T11:00:00-04:00</start-valid-time>
<start-valid-time>2009-09-09T14:00:00-04:00</start-valid-time>
<start-valid-time>2009-09-09T17:00:00-04:00</start-valid-time>
<start-valid-time>2009-09-09T20:00:00-04:00</start-valid-time>
<start-valid-time>2009-09-09T23:00:00-04:00</start-valid-time>
<start-valid-time>2009-09-10T02:00:00-04:00</start-valid-time>
</time-layout>
<parameters applicable-location="point1">
<temperature type="hourly" units="Fahrenheit" time-layout="k-p3h-n6-1">
<name>Temperature</name>
<value>69</value>
<value>74</value>
<value>73</value>
<value>67</value>
<value>63</value>
<value>60</value>
</temperature>
</parameters>
</data>
</dwml>