| 17:54 EST |  Partly Cloudy | -7°C / 19°F | -16°C / 3°F | 49% | 1019 mb (30.09 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KBOS 232254Z 30015G21KT 10SM SCT044 M07/M16 A3008 RMK AO2 SLP185 T10671161 |
| 16:54 EST |  Partly Cloudy | -6°C / 21°F | -16°C / 3°F | 45% | 1018 mb (30.06 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KBOS 232154Z 30010G18KT 10SM SCT046 M06/M16 A3006 RMK AO2 SLP179 T10561156 |
| 15:54 EST |  Mostly Cloudy | -5°C / 23°F | -15°C / 5°F | 46% | 1018 mb (30.06 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KBOS 232054Z 33014KT 10SM BKN048 BKN140 M05/M15 A3005 RMK AO2 SLP174 T10501150 53010 |
| 14:54 EST |  Mostly Cloudy | -4°C / 25°F | -15°C / 5°F | 42% | 1017 mb (30.03 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KBOS 231954Z 29012KT 10SM FEW050 SCT160 BKN250 M04/M15 A3002 RMK AO2 SLP166 T10441150 |
| 13:54 EST |  Mostly Cloudy | -4°C / 25°F | -15°C / 5°F | 42% | 1016 mb (30 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KBOS 231854Z 28010KT 10SM SCT048 SCT160 BKN250 M04/M15 A3001 RMK AO2 SLP161 T10391150 |
| 12:54 EST |  Partly Cloudy | -4°C / 25°F | -15°C / 5°F | 42% | 1017 mb (30.03 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KBOS 231754Z 31014G19KT 10SM FEW065 SCT250 M04/M15 A3002 RMK AO2 SLP163 T10441150 11044 21089 56023 |
| 11:54 EST |  Clear | -5°C / 23°F | -16°C / 3°F | 42% | 1017 mb (30.03 in) | W 30 kph (W 18.4 mph) | - | 10SM |
| | KBOS 231654Z 28016KT 10SM CLR M05/M16 A3003 RMK AO2 SLP170 T10501156 |
| 10:54 EST |  Partly Cloudy | -6°C / 21°F | -16°C / 3°F | 45% | 1018 mb (30.06 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KBOS 231554Z 30013G19KT 10SM FEW055 SCT160 SCT250 M06/M16 A3006 RMK AO2 SLP180 T10561156 |
| 09:54 EST |  Partly Cloudy | -7°C / 19°F | -16°C / 3°F | 49% | 1019 mb (30.09 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KBOS 231454Z 29010KT 10SM FEW055 M07/M16 A3008 RMK AO2 SLP186 T10671156 51004 |
| 08:54 EST |  Partly Cloudy | -8°C / 18°F | -15°C / 5°F | 58% | 1019 mb (30.09 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KBOS 231354Z 30012G17KT 10SM FEW050 M08/M15 A3008 RMK AO2 SLP186 T10781150 |
| 07:54 EST |  Partly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1019 mb (30.09 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KBOS 231254Z 29009KT 10SM FEW055 M08/M16 A3008 RMK AO2 SLP185 T10831156 |
| 06:54 EST |  Partly Cloudy | -9°C / 16°F | -16°C / 3°F | 57% | 1018 mb (30.06 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KBOS 231154Z 28009KT 10SM FEW050 M09/M16 A3007 RMK AO2 SLP182 T10891156 11072 21089 53003 $ |
| 05:54 EST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1018 mb (30.06 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KBOS 231054Z 28008KT 10SM CLR M09/M16 A3006 RMK AO2 SLP179 T10891156 $ |
| 04:54 EST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KBOS 230954Z 28010KT 10SM CLR M08/M16 A3006 RMK AO2 SLP177 T10831156 |
| 03:54 EST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KBOS 230854Z 29008KT 10SM CLR M08/M16 A3006 RMK AO2 SLP179 T10831156 51007 |
| 02:54 EST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KBOS 230754Z 29008KT 10SM CLR M08/M16 A3006 RMK AO2 SLP179 T10781156 |
| 01:54 EST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KBOS 230654Z 30010KT 10SM CLR M08/M16 A3006 RMK AO2 SLP177 T10781161 |
| 00:54 EST |  Partly Cloudy | -7°C / 19°F | -16°C / 3°F | 49% | 1017 mb (30.03 in) | WNW 24 kph (WNW 15 mph) | - | 10SM |
| | KBOS 230554Z 29013G18KT 10SM FEW250 M07/M16 A3004 RMK AO2 SLP171 T10721156 11033 21072 51007 |