KBOS - Boston/Logan Intl, MA, US
| Potential Impact | None | Slight | Moderate | High |
| Time | 13/10Z | 13/11Z | 13/12Z | 13/13Z | 13/14Z | 13/15Z | 13/16Z | 13/17Z | 13/18Z | 13/19Z | 13/20Z | 13/21Z | 13/22Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 70 | 70 | 70 | 74 | 76 | 79 | 82 | 83 | 83 | 85 | 76 | 75 | 75 |
| Dewpt | 63 | 62 | 63 | 64 | 64 | 64 | 60 | 59 | 59 | 57 | 67 | 66 | 65 |
| Altim | 1008.5 | 1009.2 | 1009.6 | 1009.2 | 1009.2 | 1009.6 | 1009.6 | 1009.2 | 1009.2 | 1009.2 | 1008.9 | 1009.2 | 1009.6 |
| VIS | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ |
| CIG | 12000 | 12000 | 7000 | -- | -- | -- | -- | -- | 6000 | -- | -- | -- | -- |
| Cover | BKN | OVC | BKN | SCT | SCT | FEW | FEW | SCT | BKN | SCT | FEW | SCT | SCT |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 220 | 250 | 230 | VRB | 250 | 270 | 290 | 310 | 290 | 290 | 110 | 120 | 90 |
| WSpd | 12 | 10 | 12 | 6 | 7 | 7 | 10 | 10 | 11 | 11 | 11 | 11 | 8 |
| WGst | -- | 22 | -- | -- | -- | -- | -- | -- | -- | 16 | -- | -- | -- |
METAR KBOS 130954Z 22012KT 10SM FEW055 SCT080 BKN120 21/17 A2978 RMK AO2 SLP085 T02110172 $
METAR KBOS 131054Z 25010G22KT 10SM FEW055 SCT090 OVC120 21/17 A2980 RMK AO2 SLP091 BINOVC T02110167 $
METAR KBOS 131154Z 23012KT 10SM BKN070 BKN120 21/17 A2981 RMK AO2 LTG DSNT N SLP093 60000 T02110172 10222 20211 53008 $
METAR KBOS 131254Z VRB06KT 10SM FEW070 SCT110 23/18 A2980 RMK AO2 SLP091 T02330178 $
METAR KBOS 131354Z 25007KT 10SM FEW045 SCT100 SCT120 24/18 A2980 RMK AO2 RAB33E50 SLP089 P0000 T02440178
METAR KBOS 131454Z 27007KT 10SM FEW040 FEW100 26/18 A2981 RMK AO2 SLP092 60000 T02610178 55001
METAR KBOS 131554Z 29010KT 10SM FEW040 28/16 A2981 RMK AO2 SLP093 T02780156
METAR KBOS 131654Z 31010KT 10SM FEW040TCU SCT055 28/15 A2980 RMK AO2 SLP091 TCU E-SE T02830150 $
METAR KBOS 131754Z 29011KT 10SM FEW040 BKN060 28/15 A2980 RMK AO2 SLP092 60000 T02830150 55000 $
METAR KBOS 131854Z 29011G16KT 10SM FEW041 SCT065 29/14 A2980 RMK AO2 SLP090 T02940139 $
METAR KBOS 131954Z 11011KT 10SM FEW060 24/19 A2979 RMK AO2 SLP089 T02440194 $
METAR KBOS 132054Z 12011KT 10SM SCT070 SCT220 24/19 A2980 RMK AO2 SLP090 T02390189 55001 $
METAR KBOS 132154Z 09008KT 10SM FEW065 SCT120 SCT220 24/18 A2981 RMK AO2 SLP095 T02390183 $