| 03:54 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1013 mb (29.91 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KBOS 150854Z 17007KT 10SM OVC029 04/02 A2991 RMK AO2 SLP126 T00440022 58017 |
| 03:19 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1014 mb (29.94 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KBOS 150819Z 19003KT 10SM OVC029 04/02 A2993 RMK AO2 |
| 02:54 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1014 mb (29.94 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KBOS 150754Z 18005KT 10SM OVC031 04/02 A2994 RMK AO2 SLP137 T00390017 |
| 01:54 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1014 mb (29.94 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KBOS 150654Z 15003KT 10SM OVC031 04/02 A2995 RMK AO2 SLP141 T00390017 |
| 00:54 EST |  Mostly Cloudy | 3°C / 37°F | 1°C / 34°F | 87% | 1015 mb (29.97 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KBOS 150554Z 17004KT 10SM SCT024 BKN039 03/01 A2996 RMK AO2 SLP143 T00330011 10044 20033 58019 |
| 00:31 EST |  Mostly Cloudy | 3°C / 37°F | 1°C / 34°F | 87% | 1015 mb (29.97 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KBOS 150531Z 17004KT 10SM FEW029 BKN039 BKN120 03/01 A2996 RMK AO2 |