KBOS - Boston/Logan Intl, MA, US
| Potential Impact | None | Slight | Moderate | High |
| Time | 08/17Z | 08/18Z | 08/19Z | 08/20Z | 08/21Z | 08/22Z | 08/23Z | 09/00Z | 09/01Z | 09/02Z | 09/03Z | 09/04Z | 09/05Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 14 | 16 | 17 | 18 | 18 | 17 | 16 | 16 | 14 | 13 | 13 | 11 | |
| Dewpt | -4 | -2 | -3 | -3 | -4 | -4 | -4 | -3 | -4 | -5 | -5 | -6 | |
| Altim | 1014.6 | 1014.6 | 1014.3 | 1015 | 1015.7 | 1016.3 | 1016.7 | 1017.4 | 1017.4 | 1017.7 | 1018.4 | 1018.7 | |
| VIS | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | |
| CIG | -- | -- | -- | 25000 | 25000 | 25000 | 16000 | 25000 | 25000 | -- | -- | -- | |
| Cover | FEW | FEW | SCT | BKN | BKN | BKN | BKN | BKN | BKN | SCT | SCT | FEW | |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | |
| WDir | 310 | 310 | 300 | 310 | 290 | 310 | 300 | 320 | 310 | 310 | 310 | 320 | |
| WSpd | 17 | 15 | 15 | 15 | 14 | 16 | 14 | 13 | 14 | 17 | 18 | 16 | |
| WGst | 24 | 25 | 22 | 22 | 22 | -- | 26 | 23 | 22 | 29 | 27 | 27 |
METAR KBOS 081654Z 31017G24KT 10SM FEW055 FEW250 M10/M20 A2996 RMK AO2 SLP145 T11001200=
METAR KBOS 081754Z 31015G25KT 10SM FEW055 FEW250 M09/M19 A2996 RMK AO2 PK WND 32026/1727 SLP143 T10891189 11089 21156 58010=
METAR KBOS 081854Z 30015G22KT 10SM FEW120 SCT250 M08/M19 A2995 RMK AO2 SLP142 T10831194=
METAR KBOS 081954Z 31015G22KT 10SM FEW120 BKN250 M08/M19 A2997 RMK AO2 SLP147 T10781194=
METAR KBOS 082054Z 29014G22KT 10SM FEW120 BKN250 M08/M20 A2999 RMK AO2 SLP153 T10781200 53010=
METAR KBOS 082154Z 31016KT 10SM FEW120 SCT150 BKN250 M08/M20 A3001 RMK AO2 SLP161 T10831200=
METAR KBOS 082254Z 30014G26KT 10SM FEW130 BKN160 BKN250 M09/M20 A3002 RMK AO2 PK WND 29027/2244 SLP163 T10891200=
METAR KBOS 082354Z 32013G23KT 10SM FEW120 SCT160 BKN250 M09/M19 A3004 RMK AO2 PK WND 32030/2256 SLP171 T10891194 11078 21094 51017=
METAR KBOS 090054Z 31014G22KT 10SM FEW120 BKN250 M10/M20 A3004 RMK AO2 SLP172 T11001200=
METAR KBOS 090154Z 31017G29KT 10SM SCT250 M11/M21 A3005 RMK AO2 PK WND 32029/0150 SLP176 T11061206=
METAR KBOS 090254Z 31018G27KT 10SM SCT250 M11/M21 A3007 RMK AO2 PK WND 31032/0236 SLP181 T11061206 53010=
METAR KBOS 090354Z 32016G27KT 10SM FEW250 M12/M21 A3008 RMK AO2 PK WND 31028/0255 SLP185 T11171211=