Get the current temperature and weather summary from Forecast.io, cached results

weather.php

<?php
$recent_weather = get_transient('recent_weather_widget');

if ( !$recent_weather ) {
  $api_key = 'YOUR_API_KEY';
  $lat = '44.052303';
  $long = '-123.102148';
  $cache_duration = 60*30; // seconds
  
  // retrieve weather information from forecast.io
  $json = file_get_contents( sprintf('https://api.forecast.io/forecast/%s/%s,%s', $api_key, $lat, $long) );
  if ( !$json  ) return;
  
  // decode the information into an object
  $recent_weather = json_decode($json);
  if ( !$recent_weather ) return;
  
  // store the results
  set_transient('recent_weather_widget', $recent_weather, $cache_duration);
}

if ( !$recent_weather->currently->temperature ) return;

?>
<div id="weather" title="Weather for Eugene, OR">
<a href="/weather/"><span class="temp"><?php echo round($recent_weather->currently->temperature); ?>&deg;F</span> <span class="weather"><?php echo $recent_weather->currently->summary; ?></span></a>
</div>