| 20:00 PST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1008 mb (29.77 in) | SE 15 kph (SE 9.2 mph) | 0.00 mm (0.00 in) | 7SM |
| | KPAE 150400Z 12008KT 7SM -RA BKN034 OVC045 02/01 A2977 RMK AO2 P0000 |
| 19:53 PST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1008 mb (29.77 in) | SE 11 kph (SE 6.9 mph) | 0.51 mm (0.02 in) | 6SM |
| | KPAE 150353Z 12006KT 6SM -RA BR FEW006 BKN026 OVC065 02/01 A2978 RMK AO2 SLP090 P0002 T00220011 |
| 18:53 PST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1009 mb (29.8 in) | ESE 20 kph (ESE 12.7 mph) | 0.25 mm (0.01 in) | 9SM |
| | KPAE 150253Z 11011G14KT 9SM -RA FEW006 OVC029 03/02 A2981 RMK AO2 SLP100 P0001 60005 T00280017 58031 |
| 17:59 PST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1011 mb (29.85 in) | SE 20 kph (SE 12.7 mph) | 0.00 mm (0.00 in) | 8SM |
| | KPAE 150159Z 12011G16KT 8SM -RA FEW006 OVC029 03/02 A2985 RMK AO2 P0000 |
| 17:53 PST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1011 mb (29.85 in) | SE 15 kph (SE 9.2 mph) | 0.51 mm (0.02 in) | 7SM |
| | KPAE 150153Z 12008KT 7SM -RA BKN020 OVC036 03/01 A2986 RMK AO2 PRESFR SLP116 P0002 T00280011 |
| 16:53 PST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1013 mb (29.91 in) | Variable 6 kph (Variable 3.5 mph) | 0.51 mm (0.02 in) | 8SM |
| | KPAE 150053Z VRB03KT 8SM -RA SCT003 BKN017 OVC039 03/01 A2991 RMK AO2 RAB10 SLP133 P0002 T00330006 |
| 15:53 PST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1013 mb (29.91 in) | ESE 15 kph (ESE 9.2 mph) | - | 9SM |
| | KPAE 142353Z 11008KT 9SM SCT003 BKN017 OVC039 03/02 A2991 RMK AO2 SLP131 60000 T00280017 10039 20017 58023 |
| 15:19 PST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 1014 mb (29.94 in) | ESE 15 kph (ESE 9.2 mph) | - | 2SM |
| | KPAE 142319Z 11008KT 2SM BR BKN003 OVC017 03/02 A2993 RMK AO2 |
| 15:00 PST |  Overcast Fog And Mist | 4°C / 39°F | 2°C / 36°F | 87% | 1014 mb (29.94 in) | SE 13 kph (SE 8.1 mph) | - | 2 1/2SM |
| | KPAE 142300Z 13007KT 090V200 2 1/2SM BR SCT003 OVC019 04/02 A2995 RMK AO2 |
| 14:53 PST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 1014 mb (29.94 in) | Variable 11 kph (Variable 6.9 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KPAE 142253Z VRB06KT 1 3/4SM BR FEW003 OVC021 03/02 A2995 RMK AO2 RAE01 SLP147 P0000 T00330022 |
| 14:24 PST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 1015 mb (29.97 in) | Variable 7 kph (Variable 4.6 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KPAE 142224Z VRB04KT 1 3/4SM BR FEW003 BKN019 OVC025 03/02 A2996 RMK AO2 RAE01 P0000 |
| 14:00 PST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1015 mb (29.97 in) | SE 7 kph (SE 4.6 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KPAE 142200Z 12004KT 1 3/4SM -RA BR BKN022 OVC030 03/02 A2996 RMK AO2 P0000 |
| 13:53 PST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1015 mb (29.97 in) | Variable 6 kph (Variable 3.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KPAE 142153Z VRB03KT 2SM -RA BR BKN022 OVC030 03/02 A2996 RMK AO2 RAB50 SLP151 P0000 T00330022 |
| 13:33 PST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 1015 mb (29.97 in) | SE 11 kph (SE 6.9 mph) | - | 2SM |
| | KPAE 142133Z 12006KT 2SM BR BKN026 OVC031 03/02 A2997 RMK AO2 |
| 13:17 PST |  Overcast Fog And Mist | 3°C / 37°F | 1°C / 34°F | 87% | 1015 mb (29.97 in) | ESE 9 kph (ESE 5.8 mph) | - | 3SM |
| | KPAE 142117Z 11005KT 3SM BR BKN026 OVC031 03/01 A2997 RMK AO2 |
| 12:53 PST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1015 mb (29.97 in) | ESE 9 kph (ESE 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPAE 142053Z 11005KT 10SM OVC031 03/01 A2998 RMK AO2 RAE19 SLP155 P0000 60000 T00330011 56017 |
| 11:53 PST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1016 mb (30 in) | SE 13 kph (SE 8.1 mph) | 0.00 mm (0.00 in) | 6SM |
| | KPAE 141953Z 12007KT 6SM -RA BR BKN008 OVC020 03/01 A3000 RMK AO2 RAB24 SLP164 P0000 T00280011 |
| 10:53 PST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1017 mb (30.03 in) | SE 11 kph (SE 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPAE 141853Z 12006KT 10SM OVC008 03/00 A3003 RMK AO2 RAB1757E07 SLP173 P0000 T00280000 |
| 09:53 PST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1017 mb (30.03 in) | ESE 11 kph (ESE 6.9 mph) | - | 10SM |
| | KPAE 141753Z 11006KT 10SM OVC008 02/M01 A3004 RMK AO2 CIG 005V012 SLP177 T00171006 10017 21011 51013 |
| 08:53 PST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1017 mb (30.03 in) | ESE 11 kph (ESE 6.9 mph) | - | 8SM |
| | KPAE 141653Z 11006KT 8SM BKN008 OVC024 02/00 A3002 RMK AO2 SLP173 T00170000 |
| 07:53 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1017 mb (30.03 in) | SE 6 kph (SE 3.5 mph) | - | 8SM |
| | KPAE 141553Z 12003KT 8SM BKN008 OVC024 01/00 A3002 RMK AO2 SLP170 T00110000 |
| 07:01 PST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1016 mb (30 in) | SE 9 kph (SE 5.8 mph) | - | 9SM |
| | KPAE 141501Z 12005KT 9SM FEW004 BKN009 OVC014 01/M01 A3000 RMK AO2 |
| 06:53 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1016 mb (30 in) | ESE 7 kph (ESE 4.6 mph) | - | 8SM |
| | KPAE 141453Z 11004KT 8SM FEW004 SCT009 OVC014 01/00 A3000 RMK AO2 SLP164 T00060000 52001 |
| 06:43 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1016 mb (30 in) | ESE 9 kph (ESE 5.8 mph) | - | 8SM |
| | KPAE 141443Z 11005KT 8SM FEW006 OVC014 01/00 A3000 RMK AO2 |
| 06:10 PST |  Overcast Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1016 mb (30 in) | E 7 kph (E 4.6 mph) | - | 4SM |
| | KPAE 141410Z 10004KT 4SM BR SCT008 OVC016 01/M01 A3000 RMK AO2 |
| 05:53 PST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1016 mb (30 in) | Calm | - | 5SM |
| | KPAE 141353Z 00000KT 5SM BR BKN008 01/M01 A3000 RMK AO2 SLP165 T00061006 |
| 05:29 PST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1016 mb (30 in) | SSE 6 kph (SSE 3.5 mph) | - | 4SM |
| | KPAE 141329Z 16003KT 4SM BR BKN008 01/M01 A3000 RMK AO2 |
| 05:20 PST |  Partly Cloudy Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1016 mb (30 in) | Calm | - | 2SM |
| | KPAE 141320Z 00000KT 2SM BR SCT008 00/M02 A2999 RMK AO2 |
| 05:15 PST |  Obscured Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1016 mb (30 in) | Calm | - | 1SM |
| | KPAE 141315Z 00000KT 1SM BR VV008 M01/M02 A2999 RMK AO2 RVRNO |
| 05:09 PST |  Partly Cloudy Fog | -1°C / 30°F | -2°C / 28°F | 93% | 1016 mb (30 in) | Calm | - | 1/2SM |
| | KPAE 141309Z 00000KT 1/2SM FZFG FEW002 SCT007 M01/M02 A2999 RMK AO2 RVRNO |
| 05:01 PST |  Mostly Cloudy Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 1016 mb (30 in) | Calm | - | 1 1/4SM |
| | KPAE 141301Z 00000KT 1 1/4SM BR SCT002 BKN007 00/00 A2999 RMK AO2 |
| 04:57 PST |  Partly Cloudy Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1016 mb (30 in) | Calm | - | 2SM |
| | KPAE 141257Z 00000KT 2SM BR SCT002 01/00 A2999 RMK AO2 |
| 04:53 PST |  Obscured Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1016 mb (30 in) | Calm | - | 1SM |
| | KPAE 141253Z 00000KT 1SM BR VV002 01/00 A2999 RMK AO2 SLP162 T00060000 RVRNO |
| 04:23 PST |  Overcast Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | Calm | - | 1/2SM |
| | KPAE 141223Z 00000KT 1/2SM FG OVC001 01/01 A2999 RMK AO2 RVRNO |
| 04:16 PST |  Obscured Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | SSE 6 kph (SSE 3.5 mph) | - | 1/4SM |
| | KPAE 141216Z 16003KT 1/4SM FG VV001 01/01 A2999 RMK AO2 RVRNO |
| 04:00 PST |  Obscured Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | S 6 kph (S 3.5 mph) | - | 1/2SM |
| | KPAE 141200Z 17003KT 1/2SM FG VV001 01/01 A2999 RMK AO2 RVRNO |
| 03:53 PST |  Overcast Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | S 7 kph (S 4.6 mph) | - | 1/2SM |
| | KPAE 141153Z 18004KT 1/2SM FG OVC002 01/01 A3000 RMK AO2 SLP163 T00110006 10017 20000 51015 RVRNO |
| 03:39 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | S 7 kph (S 4.6 mph) | - | 3/4SM |
| | KPAE 141139Z 17004KT 3/4SM BR OVC002 01/01 A2999 RMK AO2 RVRNO |
| 03:33 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | S 9 kph (S 5.8 mph) | - | 2SM |
| | KPAE 141133Z 18005KT 2SM BR OVC002 01/01 A2999 RMK AO2 |
| 02:53 PST |  Overcast Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1016 mb (30 in) | Variable 7 kph (Variable 4.6 mph) | - | 4SM |
| | KPAE 141053Z VRB04KT 4SM BR BKN004 OVC008 02/01 A2999 RMK AO2 CIG 001V007 SLP159 T00170006 |
| 02:41 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1015 mb (29.97 in) | Calm | - | 4SM |
| | KPAE 141041Z 00000KT 4SM BR OVC002 01/01 A2998 RMK AO2 CIG 001V006 |
| 02:17 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1015 mb (29.97 in) | S 7 kph (S 4.6 mph) | - | 2 1/2SM |
| | KPAE 141017Z 17004KT 2 1/2SM BR OVC002 01/01 A2998 RMK AO2 |
| 02:04 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1015 mb (29.97 in) | S 9 kph (S 5.8 mph) | - | 3SM |
| | KPAE 141004Z 17005KT 3SM BR OVC002 01/01 A2997 RMK AO2 |
| 01:53 PST |  Overcast Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1015 mb (29.97 in) | SSE 9 kph (SSE 5.8 mph) | - | 2 1/2SM |
| | KPAE 140953Z 16005KT 2 1/2SM BR OVC002 01/00 A2997 RMK AO2 SLP155 T00060000 |
| 01:38 PST |  Mostly Cloudy Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1015 mb (29.97 in) | S 7 kph (S 4.6 mph) | - | 2 1/2SM |
| | KPAE 140938Z 19004KT 2 1/2SM BR BKN002 00/M01 A2997 RMK AO2 |
| 01:02 PST |  Partly Cloudy Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1014 mb (29.94 in) | SSE 11 kph (SSE 6.9 mph) | - | 6SM |
| | KPAE 140902Z 16006KT 6SM BR SCT006 SCT080 01/00 A2995 RMK AO2 |
| 00:53 PST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1014 mb (29.94 in) | SSE 13 kph (SSE 8.1 mph) | - | 6SM |
| | KPAE 140853Z 15007KT 6SM BR BKN006 BKN080 01/00 A2995 RMK AO2 SLP147 T00110000 51014 |