Mine

#!/usr/bin/perl
use Weather::Underground;
use strict;
use warnings;

my($Clouds, $Conditions, $Place, $Pressure, $Pressure_in, $Pressure_kpa, $MyVar);

foreach $MyVar (\$Clouds, \$Conditions, \$Place, \$Pressure, \$Pressure_in, \$Pressure_kpa, \$MyVar) {
  $$MyVar = '';
}

if ($ARGV[0]) {
  $Place = $ARGV[0];
} else {
  $Place = 'yow';
}

my($weather) = Weather::Underground->new(
  place => "$Place",
  debug => 0,
  cache_file => "/tmp/.wu_cache",
  cache_max_age => "360" # Will query server if cache data for a location is older than this (in seconds)
)
|| die "Error, could not create new weather object: $@\n";

my($arrayref) = $weather->get_weather()
  || die "Error, calling get_weather() failed: $@\n";

# If Pressure exists, clean it up
if($arrayref->[0]->{pressure}) {
  $Pressure = $arrayref->[0]->{pressure};
  if( $Pressure =~ /\s*([^ ]+)\s+in\s+([^ ]+)\s+hPa\s*(.*)/ ) {
    $Pressure_in = $1;
    $Pressure_kpa = $2/10;
    $Pressure = $3;
    $Pressure =~ s/ //g;
  }
}

# Sometimes the $Conditions output is not in $Clouds. Put it there if missing
if( $arrayref->[0]->{clouds} ) {
  $Clouds = $arrayref->[0]->{clouds};
  if( $arrayref->[0]->{conditions} ) {
    if( ! $Clouds =~ /$Conditions/ ) {
      $Clouds = "$Conditions $Clouds";
    }
  }
}
print('Current Conditions in ', ($arrayref->[0]->{place} || 'N/A'), ' as of ',
  ($arrayref->[0]->{updated} || 'N/A'), ": ", ($Clouds || 'N/A'), ', Temperature: ',
  ($arrayref->[0]->{temperature_celsius} || 'N/A'), '°C / ',
  ($arrayref->[0]->{temperature_fahrenheit} || 'N/A'), '°F, Humidity: ',
  ($arrayref->[0]->{humidity} || 'N/A' ), '%, Pressure:  ',
  ($Pressure_in || 'N/A'), " in HG / ", ($Pressure_kpa || 'N/A'), ' kPa ',
  ($Pressure || ''), ", Visibility: ", ($arrayref->[0]->{visibility_kilometers} || 'N/A'). ' km/ ',
  ($arrayref->[0]->{visibility_miles} || 'N/A'), " miles, Winds: ", ($arrayref->[0]->{wind_direction} || 'N/A'), ' ',
  ($arrayref->[0]->{wind_kilometersperhour} || 'N/A')," kmph / ", ($arrayref->[0]->{wind_milesperhour}||'N/A'), ' mph, ',
  'Dewpoint: ', ($arrayref->[0]->{dewpoint_celsius} || 'N/A'), "°C / ", ($arrayref->[0]->{dewpoint_fahrenheit} || 'N/A'),
  '°F, Moonphase: ', ($arrayref->[0]->{moonphase} || 'N/A'), ", Moonrise: ", ($arrayref->[0]->{moonrise} || 'N/A'),
  ', Moonset: ', ($arrayref->[0]->{moonset} || 'N/A'),', Sunrise: ', ($arrayref->[0]->{sunrise} || 'N/A'), ', Sunset: ',
  ($arrayref->[0]->{sunset} || 'N/A'), "\n");