| 07:56 EST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1012 mb (29.88 in) | SSW 9 kph (SSW 5.8 mph) | - | 4SM |
| | KHPN 151256Z 26005KT 4SM BR OVC005 06/04 A2989 RMK AO2 SLP128 T00560039 |
| 06:56 EST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1012 mb (29.88 in) | Calm | - | 5SM |
| | KHPN 151156Z AUTO 00000KT 5SM BR OVC005 06/04 A2988 RMK AO2 SLP122 T00560039 10061 20056 58002 |
| 05:56 EST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1012 mb (29.88 in) | Calm | - | 6SM |
| | KHPN 151056Z 00000KT 6SM BR OVC007 06/04 A2988 RMK AO2 SLP124 T00560039 |
| 04:56 EST |  Overcast | 6°C / 43°F | 4°C / 39°F | 87% | 1012 mb (29.88 in) | Variable 6 kph (Variable 3.5 mph) | - | 8SM |
| | KHPN 150956Z VRB03KT 8SM OVC008 06/04 A2988 RMK AO2 SLP124 T00610039 |
| 03:56 EST |  Overcast | 6°C / 43°F | 4°C / 39°F | 87% | 1012 mb (29.88 in) | Calm | - | 7SM |
| | KHPN 150856Z 00000KT 7SM SCT008 OVC016 06/04 A2988 RMK AO2 SLP124 T00560039 58013 |
| 02:56 EST |  Overcast | 6°C / 43°F | 4°C / 39°F | 87% | 1013 mb (29.91 in) | Calm | - | 7SM |
| | KHPN 150756Z 00000KT 7SM BKN008 BKN012 OVC016 06/04 A2990 RMK AO2 SLP129 T00560039 |
| 01:56 EST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1013 mb (29.91 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KHPN 150656Z 21006KT 10SM BKN011 OVC019 06/03 A2992 RMK AO2 SLP136 T00610033 |
| 00:56 EST |  Overcast | 6°C / 43°F | 2°C / 36°F | 76% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KHPN 150556Z 00000KT 10SM OVC030 06/02 A2992 RMK AO2 SLP136 T00610017 10061 20039 58012 |