| 14:54 EST |  Mostly Cloudy | 2°C / 36°F | -6°C / 21°F | 56% | 1021 mb (30.15 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KBOS 061954Z 30015G20KT 10SM BKN039 02/M06 A3016 RMK AO2 SLP214 T00221056 $ |
| 13:54 EST |  Mostly Cloudy | 2°C / 36°F | -6°C / 21°F | 56% | 1021 mb (30.15 in) | WNW 26 kph (WNW 16.1 mph) | - | 10SM |
| | KBOS 061854Z 29014G23KT 10SM BKN036 02/M06 A3014 RMK AO2 SLP204 T00221056 $ |
| 12:54 EST |  Partly Cloudy | 2°C / 36°F | -5°C / 23°F | 60% | 1020 mb (30.12 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KBOS 061754Z 31012G23KT 10SM FEW030 02/M05 A3013 RMK AO2 SLP200 T00221050 10022 21006 53013 $ |
| 11:54 EST |  Partly Cloudy | 2°C / 36°F | -4°C / 25°F | 65% | 1019 mb (30.09 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KBOS 061654Z 31011G18KT 10SM FEW030 SCT200 02/M04 A3010 RMK AO2 SLP193 T00171039 $ |
| 10:54 EST |  Partly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1019 mb (30.09 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KBOS 061554Z 32012G22KT 10SM FEW025 01/M04 A3009 RMK AO2 PK WND 32027/1521 SLP190 T00111039 $ |
| 09:54 EST |  Clear | 1°C / 34°F | -5°C / 23°F | 65% | 1019 mb (30.09 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KBOS 061454Z 32017G26KT 10SM CLR 01/M05 A3009 RMK AO2 PK WND 30026/1448 SLP188 T00061050 51036 $ |
| 08:54 EST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1018 mb (30.06 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KBOS 061354Z 31014G23KT 10SM CLR 00/M04 A3005 RMK AO2 PK WND 33027/1334 SLP176 T00001044 $ |
| 07:54 EST |  Partly Cloudy | 0°C / 32°F | -4°C / 25°F | 75% | 1017 mb (30.03 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KBOS 061254Z 30012G22KT 10SM FEW022 00/M04 A3002 RMK AO2 SLP165 PK WND 31027/1200 T00001044 $ |
| 06:54 EST |  Partly Cloudy | 0°C / 32°F | -4°C / 25°F | 75% | 1015 mb (29.97 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KBOS 061154Z 31016G27KT 10SM FEW018 SCT120 00/M04 A2998 RMK AO2 PK WND 33027/1154 SLP151 60000 70037 T00001039 10011 20000 53036 $ |
| 05:54 EST |  Partly Cloudy | 0°C / 32°F | -3°C / 27°F | 80% | 1014 mb (29.94 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KBOS 061054Z 32012G19KT 10SM FEW020 SCT120 00/M03 A2994 RMK AO2 SLP137 T00001033 $ |
| 04:54 EST |  Partly Cloudy | 1°C / 34°F | -2°C / 28°F | 81% | 1012 mb (29.88 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KBOS 060954Z 32013G20KT 10SM FEW020 SCT120 01/M02 A2989 RMK AO2 SLP122 T00061022 $ |
| 03:54 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | NNW 26 kph (NNW 16.1 mph) | 0.00 mm (0.00 in) | 7SM |
| | KBOS 060854Z 33014G22KT 7SM SCT015 OVC100 01/M01 A2987 RMK AO2 SNE38 SLP115 P0000 60000 T00061006 51027 $ |
| 03:24 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1011 mb (29.85 in) | NNW 22 kph (NNW 13.8 mph) | 0.00 mm (0.00 in) | 7SM |
| | KBOS 060824Z 33012G21KT 7SM -SN SCT010 BKN015 OVC090 01/M01 A2986 RMK AO2 P0000 $ |
| 03:05 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1011 mb (29.85 in) | NNW 17 kph (NNW 10.4 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBOS 060805Z 33009G18KT 4SM -SN BR SCT010 BKN013 OVC033 01/00 A2985 RMK AO2 P0000 $ |
| 02:54 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1011 mb (29.85 in) | NNW 24 kph (NNW 15 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBOS 060754Z 34013G19KT 4SM -SN BR SCT016 BKN035 OVC060 01/00 A2985 RMK AO2 SLP108 P0000 T00060000 $ |
| 02:28 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1010 mb (29.83 in) | NNW 26 kph (NNW 16.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBOS 060728Z 34014G21KT 3SM -SN BR FEW015 BKN046 OVC070 01/00 A2984 RMK AO2 SFC VIS 5 P0000 $ |
| 02:16 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1010 mb (29.83 in) | NNW 26 kph (NNW 16.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBOS 060716Z 34014G21KT 3SM -SN BR FEW010 BKN015 OVC030 01/00 A2983 RMK AO2 P0000 $ |
| 01:54 EST |  Overcast Light Snow | 1°C / 34°F | 1°C / 34°F | 100% | 1010 mb (29.83 in) | NNW 28 kph (NNW 17.3 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBOS 060654Z 33015G20KT 3SM -SN BR BKN010 OVC014 01/01 A2982 RMK AO2 PK WND 35026/0623 SLP098 P0000 T00060006 $ |
| 01:11 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1009 mb (29.8 in) | NNW 33 kph (NNW 20.7 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KBOS 060611Z 34018G24KT 1 1/2SM -SN BR BKN010 OVC014 01/00 A2979 RMK AO2 P0000 $ |
| 00:54 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1009 mb (29.8 in) | NNW 19 kph (NNW 11.5 mph) | 0.51 mm (0.02 in) | 1 1/2SM |
| | KBOS 060554Z 34010KT 1 1/2SM -SN BR FEW008 OVC016 01/00 A2979 RMK AO2 SLP088 P0002 60021 T00060000 10011 20006 58007 $ |
| 00:45 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1009 mb (29.8 in) | NNW 17 kph (NNW 10.4 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KBOS 060545Z 34009G17KT 1 1/2SM -SN BR FEW008 OVC018 01/00 A2980 RMK AO2 P0001 $ |