KSEA - Seattle-Tacoma Intl, WA, US
| Potential Impact | None | Slight | Moderate | High |
| Time | 30/00Z | 30/01Z | 30/02Z | 30/03Z | 30/04Z | 30/05Z | 30/06Z | 30/07Z | 30/08Z | 30/09Z | 30/10Z | 30/11Z | 30/12Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 84 | 84 | 81 | 78 | 73 | 71 | 71 | 69 | 66 | 65 | 63 | 62 | 60 |
| Dewpt | 45 | 45 | 47 | 47 | 49 | 51 | 49 | 49 | 50 | 50 | 50 | 50 | 50 |
| Altim | 1019.7 | 1019 | 1018.7 | 1018.7 | 1018.4 | 1019 | 1019 | 1019.4 | 1019.4 | 1019.4 | 1019.4 | 1019.4 | 1019.7 |
| VIS | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ |
| CIG | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cover | FEW | FEW | FEW | FEW | FEW | FEW | SCT | SCT | FEW | FEW | CLR | CLR | SCT |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 10 | 360 | 350 | 350 | 350 | 360 | 20 | 10 | 10 | 20 | 330 | 40 | 340 |
| WSpd | 10 | 9 | 10 | 8 | 8 | 10 | 12 | 10 | 9 | 7 | 3 | 3 | 4 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
METAR KSEA 292353Z 01010KT 10SM FEW060 29/07 A3011 RMK AO2 SLP198 CB DSNT SE T02890072 10294 20228 58014 $
METAR KSEA 300053Z 36009KT 330V040 10SM FEW060 29/07 A3009 RMK AO2 SLP193 CB DSNT SE T02890072 $
METAR KSEA 300153Z 35010KT 10SM FEW060 27/08 A3008 RMK AO2 SLP191 CB DSNT SE T02720083 $
METAR KSEA 300253Z 35008KT 10SM FEW060 FEW250 26/08 A3008 RMK AO2 SLP188 T02560083 56009 $
METAR KSEA 300353Z 35008KT 10SM FEW060 FEW250 23/09 A3007 RMK AO2 SLP188 T02280094 $
METAR KSEA 300453Z 36010KT 10SM FEW060 FEW250 22/11 A3009 RMK AO2 SLP192 T02170106 $
METAR KSEA 300553Z 02012KT 10SM FEW060 SCT250 22/09 A3009 RMK AO2 SLP193 T02170094 10294 20211 53004 $
METAR KSEA 300653Z 01010KT 10SM SCT250 21/09 A3010 RMK AO2 SLP195 T02060094 $
METAR KSEA 300753Z 01009KT 10SM FEW250 19/10 A3010 RMK AO2 SLP197 T01890100 402940139 $
METAR KSEA 300853Z 02007KT 10SM FEW250 18/10 A3010 RMK AO2 SLP195 T01830100 50002 $
METAR KSEA 300953Z 33003KT 10SM CLR 17/10 A3010 RMK AO2 SLP195 T01720100 $
METAR KSEA 301053Z 04003KT 10SM CLR 17/10 A3010 RMK AO2 SLP197 T01670100 $
METAR KSEA 301153Z 34004KT 10SM SCT250 16/10 A3011 RMK AO2 SLP199 T01560100 10217 20156 53004 $