| 16:56 EST |  Mostly Cloudy | -3°C / 27°F | -12°C / 10°F | 50% | 1020 mb (30.12 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KHPN 232156Z 30010G23KT 10SM BKN090 M03/M12 A3011 RMK AO2 SLP208 T10331117 |
| 15:56 EST |  Mostly Cloudy | -3°C / 27°F | -12°C / 10°F | 50% | 1019 mb (30.09 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KHPN 232056Z 30013G22KT 10SM SCT042 BKN049 M03/M12 A3010 RMK AO2 SLP204 T10281117 53007 |
| 14:56 EST |  Partly Cloudy | -2°C / 28°F | -12°C / 10°F | 47% | 1019 mb (30.09 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KHPN 231956Z 30016G19KT 10SM SCT043 M02/M12 A3009 RMK AO2 PK WND 31026/1932 SLP201 T10221122 |
| 13:56 EST |  Partly Cloudy | -3°C / 27°F | -12°C / 10°F | 50% | 1019 mb (30.09 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KHPN 231856Z 31017G29KT 10SM FEW060 M03/M12 A3008 RMK AO2 PK WND 30029/1847 SLP196 T10281122 |
| 12:56 EST |  Clear | -3°C / 27°F | -13°C / 9°F | 46% | 1019 mb (30.09 in) | NW 39 kph (NW 24.2 mph) | - | 10SM |
| | KHPN 231756Z 30021G26KT 10SM CLR M03/M13 A3008 RMK AO2 PK WND 30028/1732 SLP197 T10331128 11033 21078 58023 |
| 11:56 EST |  Clear | -4°C / 25°F | -13°C / 9°F | 50% | 1020 mb (30.12 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KHPN 231656Z 31013G24KT 10SM CLR M04/M13 A3011 RMK AO2 SLP208 T10391128 |
| 10:56 EST |  Clear | -5°C / 23°F | -13°C / 9°F | 54% | 1021 mb (30.15 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KHPN 231556Z 31017G24KT 10SM CLR M05/M13 A3014 RMK AO2 SLP219 T10501133 |
| 09:56 EST |  Clear | -6°C / 21°F | -13°C / 9°F | 58% | 1021 mb (30.15 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KHPN 231456Z 30015G23KT 10SM CLR M06/M13 A3015 RMK AO2 PK WND 31029/1443 SLP220 T10561133 50009 |
| 08:56 EST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1021 mb (30.15 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KHPN 231356Z 30016G24KT 10SM CLR M07/M14 A3015 RMK AO2 SLP223 T10671139 |
| 07:56 EST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1021 mb (30.15 in) | WNW 24 kph (WNW 15 mph) | - | 10SM |
| | KHPN 231256Z 29013G23KT 10SM CLR M07/M14 A3014 RMK AO2 SLP220 T10721139 |
| 06:56 EST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1020 mb (30.12 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KHPN 231156Z AUTO 30016G23KT 10SM CLR M07/M14 A3012 RMK AO2 SLP211 T10721139 11067 21078 51003 |
| 05:56 EST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KHPN 231056Z 29012G21KT 10SM CLR M07/M13 A3012 RMK AO2 SLP210 T10721133 |
| 04:56 EST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | WNW 26 kph (WNW 16.1 mph) | - | 10SM |
| | KHPN 230956Z 29014G21KT 10SM CLR M07/M13 A3011 RMK AO2 SLP208 T10721133 |
| 03:56 EST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | WNW 24 kph (WNW 15 mph) | - | 10SM |
| | KHPN 230856Z 29013G24KT 10SM CLR M07/M13 A3011 RMK AO2 PK WND 30027/0819 SLP207 T10721133 58003 |
| 02:56 EST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | W 32 kph (W 19.6 mph) | - | 10SM |
| | KHPN 230756Z 28017G25KT 10SM CLR M07/M13 A3012 RMK AO2 PK WND 30029/0732 SLP209 T10671133 |
| 01:56 EST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KHPN 230656Z 30017G25KT 10SM CLR M07/M13 A3013 RMK AO2 SLP212 T10671133 |
| 00:56 EST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1020 mb (30.12 in) | WNW 24 kph (WNW 15 mph) | - | 10SM |
| | KHPN 230556Z 29013G19KT 10SM CLR M07/M14 A3012 RMK AO2 SLP209 T10671139 11022 21072 58001 |