| 10:54 EST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1032 mb (30.48 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KBOS 251554Z 34004KT 10SM OVC021 01/M02 A3047 RMK AO2 SLP315 T00111022 |
| 09:54 EST |  Overcast | 0°C / 32°F | -3°C / 27°F | 80% | 1032 mb (30.48 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KBOS 251454Z 36003KT 10SM OVC023 00/M03 A3047 RMK AO2 SLP317 T00001028 50004 |
| 08:54 EST |  Mostly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1032 mb (30.48 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KBOS 251354Z 35005KT 10SM BKN019 BKN200 M01/M04 A3047 RMK AO2 SLP318 T10111044 |
| 07:54 EST |  Partly Cloudy | -2°C / 28°F | -5°C / 23°F | 80% | 1031 mb (30.45 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KBOS 251254Z 34006KT 10SM FEW025 SCT180 M02/M05 A3046 RMK AO2 SLP314 T10221050 |
| 06:54 EST |  Partly Cloudy | -2°C / 28°F | -5°C / 23°F | 80% | 1031 mb (30.45 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KBOS 251154Z 34006KT 10SM FEW025 M02/M05 A3046 RMK AO2 SLP313 T10221050 10000 21028 53005 |
| 05:54 EST |  Partly Cloudy | -2°C / 28°F | -5°C / 23°F | 80% | 1031 mb (30.45 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KBOS 251054Z 31005KT 10SM FEW030 M02/M05 A3045 RMK AO2 SLP311 T10221050 |
| 04:54 EST |  Partly Cloudy | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb (30.42 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KBOS 250954Z 33005KT 10SM FEW030 M02/M05 A3043 RMK AO2 SLP304 T10221050 |
| 03:54 EST |  Partly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1031 mb (30.45 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KBOS 250854Z 31003KT 10SM FEW030 M01/M04 A3044 RMK AO2 SLP307 T10111044 51002 |
| 02:54 EST |  Partly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1031 mb (30.45 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KBOS 250754Z 35005KT 10SM FEW030 M01/M04 A3044 RMK AO2 SLP306 T10111044 |
| 01:54 EST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1031 mb (30.45 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KBOS 250654Z 34005KT 10SM CLR M01/M04 A3045 RMK AO2 SLP309 T10061039 |
| 00:54 EST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1030 mb (30.42 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KBOS 250554Z 33007KT 10SM CLR 00/M04 A3043 RMK AO2 SLP305 T00001039 10033 21006 51012 |