| 21:01 EST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1031 mb (30.45 in) | NNE 20 kph (NNE 12.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBOS 260201Z 02011KT 2SM -SN BR SCT008 BKN013 OVC019 00/M01 A3046 RMK AO2 CIG 006 E P0000 $ |
| 20:59 EST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1031 mb (30.45 in) | NNE 20 kph (NNE 12.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KBOS 260159Z 02011KT 1 3/4SM -SN BR SCT008 BKN013 OVC019 00/M01 A3046 RMK AO2 CIG 006 E P0000 $ |
| 20:54 EST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1032 mb (30.48 in) | NNE 19 kph (NNE 11.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBOS 260154Z 02010KT 2SM -SN BR SCT008 BKN018 OVC032 00/M01 A3047 RMK AO2 SNE09B50 CIG 006 E SLP316 P0000 T00001011 $ |
| 20:40 EST |  Overcast Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1031 mb (30.45 in) | NNE 19 kph (NNE 11.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KBOS 260140Z 02010KT 5SM BR SCT008 BKN018 OVC030 01/M01 A3046 RMK AO2 SNE09 P0000 $ |
| 20:22 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1031 mb (30.45 in) | NNE 17 kph (NNE 10.4 mph) | 0.00 mm (0.00 in) | 8SM |
| | KBOS 260122Z 02009KT 8SM FEW010 BKN017 OVC030 01/M01 A3046 RMK AO2 SNE09 P0000 $ |
| 20:14 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1031 mb (30.45 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 8SM |
| | KBOS 260114Z 03010KT 8SM FEW010 SCT016 OVC030 01/M01 A3046 RMK AO2 SNE09 CIG 007 E P0000 $ |
| 20:03 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1031 mb (30.45 in) | NE 22 kph (NE 13.8 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBOS 260103Z 03012KT 4SM -SN BR BKN013 OVC021 01/M01 A3046 RMK AO2 CIG 007 E P0000 $ |
| 19:54 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1031 mb (30.45 in) | NE 19 kph (NE 11.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KBOS 260054Z 03010KT 2 1/2SM -SN BR OVC013 01/M01 A3046 RMK AO2 SNB31 CIG 007 E SLP313 P0001 T00061011 $ |
| 19:45 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1031 mb (30.45 in) | Calm | 0.25 mm (0.01 in) | 2SM |
| | KBOS 260045Z 2SM -SN BR OVC015 01/M01 A3046 RMK AO2 SNB31 P0001 $ |
| 18:54 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1031 mb (30.45 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KBOS 252354Z 36007KT 10SM BKN015 OVC021 01/M01 A3046 RMK AO2 SLP315 T00111011 10028 20011 53011 |
| 17:54 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1031 mb (30.45 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KBOS 252254Z 02009KT 10SM OVC017 02/M01 A3045 RMK AO2 SLP311 T00171011 |
| 16:54 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1031 mb (30.45 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KBOS 252154Z 01007KT 10SM OVC017 02/M01 A3044 RMK AO2 SLP308 T00171011 |
| 15:54 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1030 mb (30.42 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KBOS 252054Z 01008KT 10SM OVC017 02/M01 A3043 RMK AO2 SLP304 T00171011 55005 |
| 14:54 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1030 mb (30.42 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KBOS 251954Z 02007KT 10SM OVC019 02/M01 A3042 RMK AO2 SLP300 T00171011 |
| 13:54 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1031 mb (30.45 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KBOS 251854Z 02006KT 10SM OVC019 02/M01 A3044 RMK AO2 SLP306 T00171011 |
| 12:54 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1031 mb (30.45 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KBOS 251754Z 36005KT 10SM OVC019 02/M02 A3045 RMK AO2 SLP309 T00221017 10022 21028 56007 |
| 11:54 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1031 mb (30.45 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KBOS 251654Z 36006KT 10SM OVC021 02/M02 A3045 RMK AO2 SLP310 T00171017 |
| 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 |