Te hice este ejemplo, para el que le pueda servir. Ya está en vos si lo mejoras o no:
Código PHP:
Ver original<?php
$doc = new DOMDocument();
$doc->loadHTMLFile('http://www.weatherlink.com/user/agustinrh/index.php?view=summary&headers=0');
$xpath = new DOMXPath($doc);
$rows = $xpath->query('//table/tr[position()>7 and position()<31]');
foreach ($rows as $row) {
$td = $row->getElementsByTagName('td');
if ($td->length == 6) {
echo $td->item(0)->nodeValue . ' = ' . $td->item(1)->nodeValue . '<br />';
}
}
Cita: Outside Temp = 24.8 C
Outside Humidity = 47%
Inside Temp = 24.4 C
Inside Humidity = 44%
Heat Index = 24.4 C
Wind Chill = 25.0 C
Dew Point = 12.8 C
Barometer = n/a
Bar Trend = n/a
Wind Speed = Calm
Wind Direction = SE 139°
Wind = 2 Minute
Average Wind Speed = Calm