KBOS - Boston/Logan Intl, MA, US
| Potential Impact | None | Slight | Moderate | High |
| Time | 13/11Z | 13/12Z | 13/13Z | 13/14Z | 13/15Z | 13/16Z | 13/17Z | 13/18Z | 13/19Z | 13/20Z | 13/21Z | 13/22Z | 13/23Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 54 | 54 | 55 | 55 | 55 | 56 | 56 | 57 | 57 | 58 | 58 | 58 | 59 |
| Dewpt | 51 | 50 | 50 | 50 | 51 | 53 | 54 | 54 | 55 | 56 | 57 | 57 | 57 |
| Altim | 1017.4 | 1017.7 | 1018 | 1018.4 | 1018 | 1017.4 | 1017 | 1016 | 1014.6 | 1014.3 | 1013.6 | 1013.3 | 1012.6 |
| VIS | 10+ | 10+ | 10+ | 10+ | 10+ | 6 | 4 | 8 | 10+ | 4 | 3 | 10+ | 10+ |
| CIG | 1300 | 1500 | 1800 | 1700 | 1400 | 1100 | 1000 | 1100 | 1100 | 1000 | 500 | 1400 | 1100 |
| Cover | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC |
| FltCat | MVFR | MVFR | MVFR | MVFR | MVFR | MVFR | MVFR | MVFR | MVFR | MVFR | IFR | MVFR | MVFR |
| WX | -- | -- | -- | -- | -- | BR | BR | -- | -RA | BR | BR | -- | -- |
| WDir | 70 | 60 | 90 | 90 | 90 | 90 | 120 | 130 | 130 | 170 | 130 | 150 | 160 |
| WSpd | 11 | 14 | 11 | 11 | 11 | 9 | 5 | 3 | 4 | 5 | 5 | 3 | 5 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
METAR KBOS 131054Z 07011KT 10SM OVC013 12/11 A3004 RMK AO2 DZE36 SLP171 P0000 T01220106 $
METAR KBOS 131154Z 06014KT 10SM OVC015 12/10 A3005 RMK AO2 SLP176 60005 70005 T01220100 10150 20117 51017
METAR KBOS 131254Z 09011KT 10SM OVC018 13/10 A3006 RMK AO2 SLP180 T01280100
METAR KBOS 131354Z 09011KT 10SM OVC017 13/10 A3007 RMK AO2 SLP181 T01280100
METAR KBOS 131454Z 09011KT 10SM OVC014 13/11 A3006 RMK AO2 SLP178 T01280106 50001
METAR KBOS 131554Z 09009KT 6SM BR OVC011 13/12 A3004 RMK AO2 SLP171 T01330117
METAR KBOS 131654Z 12005KT 4SM BR FEW006 OVC010 13/12 A3003 RMK AO2 SLP168 T01330122
METAR KBOS 131754Z 13003KT 8SM OVC011 14/12 A3000 RMK AO2 SLP157 T01390122 10139 20128 58021
METAR KBOS 131854Z 13004KT 10SM -RA OVC011 14/13 A2996 RMK AO2 RAB35 SLP145 P0000 T01390128
METAR KBOS 131954Z 17005KT 4SM BR OVC010 14/13 A2995 RMK AO2 RAE40 CIG 007V012 SLP141 P0000 T01440133
METAR KBOS 132054Z 13005KT 3SM BR OVC005 14/14 A2993 RMK AO2 SLP136 60000 T01440139 56021
METAR KBOS 132154Z 15003KT 10SM FEW006 OVC014 14/14 A2992 RMK AO2 SLP131 T01440139
METAR KBOS 132254Z 16005KT 10SM OVC011 15/14 A2990 RMK AO2 SLP124 T01500139