| 18:53 PST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPAE 230253Z 00000KT 10SM OVC042 03/01 A3028 RMK AO2 SLP259 T00280011 51019 |
| 17:53 PST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPAE 230153Z 00000KT 10SM OVC038 03/01 A3027 RMK AO2 SLP257 T00330006 |
| 16:53 PST |  Mostly Cloudy | 3°C / 37°F | 1°C / 34°F | 87% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KPAE 230053Z 22003KT 10SM BKN036 03/01 A3025 RMK AO2 SLP248 T00280011 |
| 15:53 PST |  Partly Cloudy | 3°C / 37°F | 1°C / 34°F | 87% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KPAE 222353Z AUTO 00000KT 10SM SCT034 03/01 A3023 RMK AO2 SLP240 60000 T00330011 10044 20028 53021 TSNO |
| 14:53 PST |  Mostly Cloudy | 4°C / 39°F | 1°C / 34°F | 81% | 1023 mb (30.21 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KPAE 222253Z 29003KT 10SM FEW010 SCT019 BKN039 04/01 A3020 RMK AO2 SLP230 T00390011 |
| 13:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KPAE 222153Z 00000KT 10SM FEW010 BKN019 OVC037 04/02 A3018 RMK AO2 SLP226 T00390017 |
| 12:53 PST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1021 mb (30.15 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KPAE 222053Z 35003KT 10SM BKN010 BKN026 OVC036 04/01 A3016 RMK AO2 SLP219 60000 T00390011 51014 |
| 11:53 PST |  Mostly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1021 mb (30.15 in) | N 9 kph (N 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPAE 221953Z 36005KT 10SM BKN007 BKN040 04/02 A3016 RMK AO2 RAE01 CIG 005V010 SLP218 P0000 T00390017 |
| 11:38 PST |  Mostly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1021 mb (30.15 in) | NNE 11 kph (NNE 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPAE 221938Z 02006KT 10SM BKN007 04/02 A3015 RMK AO2 RAE01 P0000 |
| 11:00 PST |  Mostly Cloudy Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1021 mb (30.15 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KPAE 221900Z 00000KT 10SM -RA SCT005 BKN023 BKN034 03/02 A3014 RMK AO2 P0000 |
| 10:53 PST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1020 mb (30.12 in) | Calm | 0.00 mm (0.00 in) | 8SM |
| | KPAE 221853Z 00000KT 8SM -RA BKN005 BKN023 OVC034 03/02 A3013 RMK AO2 RAB15 SLP208 P0000 T00330017 |
| 09:53 PST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1020 mb (30.12 in) | Calm | - | 9SM |
| | KPAE 221753Z 00000KT 9SM BKN005 OVC034 03/02 A3012 RMK AO2 SLP205 T00280017 10028 20006 52035 |
| 09:14 PST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KPAE 221714Z 00000KT 10SM BKN008 BKN038 OVC045 03/02 A3010 RMK AO2 CIG 005V014 |
| 08:53 PST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KPAE 221653Z 00000KT 10SM FEW011 SCT024 OVC044 03/01 A3009 RMK AO2 SLP194 T00280011 |
| 07:53 PST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1018 mb (30.06 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KPAE 221553Z 10003KT 10SM OVC030 03/01 A3005 RMK AO2 SLP181 T00280011 |
| 06:53 PST |  Overcast | 2°C / 36°F | 2°C / 36°F | 100% | 1017 mb (30.03 in) | NNE 6 kph (NNE 3.5 mph) | - | 9SM |
| | KPAE 221453Z AUTO 02003KT 9SM BKN005 OVC009 02/02 A3002 RMK AO2 CIG 002V006 SLP170 T00220017 53031 |
| 06:05 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1016 mb (30 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KPAE 221405Z AUTO 33003KT 10SM OVC007 02/01 A2999 RMK AO2 CIG 003V011 |
| 05:53 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KPAE 221353Z AUTO 00000KT 10SM FEW004 OVC010 02/01 A2998 RMK AO2 CIG 009V013 SLP158 T00170006 |
| 05:38 PST |  Mostly Cloudy | 1°C / 34°F | 0°C / 32°F | 93% | 1015 mb (29.97 in) | Calm | - | 8SM |
| | KPAE 221338Z AUTO 00000KT 8SM BKN010 01/00 A2997 RMK AO2 CIG 009V013 |
| 04:53 PST |  Mostly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1014 mb (29.94 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KPAE 221253Z AUTO 17003KT 10SM BKN120 02/01 A2995 RMK AO2 SLP146 T00170006 |
| 03:53 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1014 mb (29.94 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KPAE 221153Z AUTO 16006KT 10SM FEW006 OVC046 02/01 A2993 RMK AO2 SLP138 60002 70057 T00220011 10028 20022 51019 |
| 03:42 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KPAE 221142Z AUTO 13004KT 10SM FEW006 SCT026 OVC046 02/01 A2992 RMK AO2 |
| 03:09 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KPAE 221109Z AUTO 12003KT 10SM SCT006 OVC019 02/01 A2991 RMK AO2 |
| 02:53 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | E 6 kph (E 3.5 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPAE 221053Z AUTO 10003KT 10SM BKN006 BKN027 OVC042 02/01 A2991 RMK AO2 RAE21UPB17E20 SLP131 P0001 T00220011 |
| 02:51 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | ESE 6 kph (ESE 3.5 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPAE 221051Z AUTO 11003KT 10SM BKN006 BKN027 OVC042 02/01 A2990 RMK AO2 RAE21UPB17E20 P0001 |
| 02:42 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | ESE 6 kph (ESE 3.5 mph) | 0.25 mm (0.01 in) | 9SM |
| | KPAE 221042Z AUTO 11003KT 9SM SCT006 BKN021 OVC042 02/01 A2990 RMK AO2 RAE21UPB17E20 P0001 |
| 02:17 PST |  Overcast Unknown Precip | 2°C / 36°F | 1°C / 34°F | 93% | 1012 mb (29.88 in) | SE 6 kph (SE 3.5 mph) | 0.25 mm (0.01 in) | 9SM |
| | KPAE 221017Z AUTO 12003KT 9SM UP FEW006 BKN013 OVC021 02/01 A2989 RMK AO2 RAE17UPB17 P0001 |
| 01:53 PST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1012 mb (29.88 in) | SE 9 kph (SE 5.8 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPAE 220953Z AUTO 12005KT 10SM -RA OVC013 02/01 A2987 RMK AO2 RAB09 SLP119 P0001 T00220011 |
| 01:35 PST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1011 mb (29.85 in) | SE 7 kph (SE 4.6 mph) | 0.25 mm (0.01 in) | 5SM |
| | KPAE 220935Z AUTO 12004KT 5SM -RA BR BKN011 BKN016 OVC022 02/01 A2986 RMK AO2 RAB09 P0001 |
| 00:53 PST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1010 mb (29.83 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KPAE 220853Z AUTO 15003KT 10SM BKN017 OVC022 03/01 A2984 RMK AO2 SLP110 T00280006 51018 |