| 17:53 PST |  Overcast Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1015 mb (29.97 in) | NW 9 kph (NW 5.8 mph) | - | 2SM |
| | KPAE 270153Z 32005KT 2SM BR OVC001 07/07 A2998 RMK AO2 SLP155 T00720067 |
| 17:37 PST |  Overcast Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1015 mb (29.97 in) | N 11 kph (N 6.9 mph) | - | 4SM |
| | KPAE 270137Z 35006KT 4SM BR OVC001 07/07 A2997 RMK AO2 |
| 17:02 PST |  Overcast Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1015 mb (29.97 in) | N 9 kph (N 5.8 mph) | - | 1/2SM |
| | KPAE 270102Z 35005KT 1/2SM FG OVC001 07/07 A2997 RMK AO2 RVRNO |
| 16:53 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1015 mb (29.97 in) | NNW 7 kph (NNW 4.6 mph) | 0.00 mm (0.00 in) | 7SM |
| | KPAE 270053Z 34004KT 7SM OVC003 08/07 A2997 RMK AO2 RAE24 SLP150 P0000 T00780067 |
| 16:41 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1015 mb (29.97 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPAE 270041Z 35007KT 10SM BKN003 OVC085 08/07 A2997 RMK AO2 RAE24 P0000 |
| 15:53 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1015 mb (29.97 in) | N 9 kph (N 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPAE 262353Z 36005KT 10SM -RA BKN005 OVC050 08/07 A2998 RMK AO2 RAB53 CIG 001V009 SLP154 P0000 60000 T00780072 10083 20078 56008 |
| 14:53 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KPAE 262253Z 34004KT 10SM FEW002 BKN005 OVC044 08/07 A2999 RMK AO2 SLP158 T00830072 |
| 14:40 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KPAE 262240Z 35005KT 10SM BKN005 OVC044 08/07 A2999 RMK AO2 |
| 14:00 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KPAE 262200Z 35004KT 10SM FEW005 BKN044 OVC100 08/07 A2999 RMK AO2 |
| 13:53 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KPAE 262153Z 35004KT 10SM BKN044 OVC100 08/07 A2999 RMK AO2 SLP157 T00830072 |
| 12:53 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KPAE 262053Z 35003KT 10SM OVC044 08/07 A3000 RMK AO2 SLP162 T00830072 56013 |
| 12:24 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KPAE 262024Z 36004KT 10SM FEW003 OVC042 08/07 A3001 RMK AO2 |
| 11:53 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KPAE 261953Z 03003KT 10SM OVC044 08/07 A3001 RMK AO2 SLP165 T00830072 |
| 11:01 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1017 mb (30.03 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KPAE 261901Z 35004KT 10SM SCT001 OVC040 08/07 A3003 RMK AO2 |
| 10:53 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KPAE 261853Z 00000KT 10SM BKN001 OVC040 08/07 A3003 RMK AO2 SLP171 T00830072 |
| 09:53 PST |  Overcast Fog And Mist | 8°C / 46°F | 7°C / 45°F | 93% | 1017 mb (30.03 in) | NW 7 kph (NW 4.6 mph) | 0.25 mm (0.01 in) | 1SM |
| | KPAE 261753Z 30004KT 1SM BR OVC001 08/07 A3004 RMK AO2 RAE43 PRESRR SLP176 P0001 60027 T00830072 10083 20078 53011 RVRNO |
| 09:30 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1017 mb (30.03 in) | NNW 6 kph (NNW 3.5 mph) | 0.25 mm (0.01 in) | 1SM |
| | KPAE 261730Z 33003KT 1SM -RA BR BKN001 OVC005 08/07 A3002 RMK AO2 P0001 RVRNO |
| 08:55 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1017 mb (30.03 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KPAE 261655Z 00000KT 2 1/2SM -RA BR SCT001 OVC040 08/07 A3002 RMK AO2 P0000 |
| 08:53 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1017 mb (30.03 in) | Calm | 0.51 mm (0.02 in) | 3SM |
| | KPAE 261653Z 00000KT 3SM -RA BR BKN003 OVC040 08/07 A3002 RMK AO2 SLP167 P0002 T00830072 |
| 08:26 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1017 mb (30.03 in) | Calm | 0.51 mm (0.02 in) | 3SM |
| | KPAE 261626Z 00000KT 3SM -RA BR BKN003 OVC040 08/07 A3002 RMK AO2 P0002 |
| 07:53 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | NE 7 kph (NE 4.6 mph) | 1.02 mm (0.04 in) | 8SM |
| | KPAE 261553Z 03004KT 8SM -RA FEW001 OVC040 08/07 A3001 RMK AO2 SLP166 P0004 T00830072 |
| 07:41 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | Variable 7 kph (Variable 4.6 mph) | 0.51 mm (0.02 in) | 9SM |
| | KPAE 261541Z VRB04KT 9SM -RA SCT001 OVC040 08/07 A3001 RMK AO2 P0002 |
| 07:28 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | ENE 6 kph (ENE 3.5 mph) | 0.51 mm (0.02 in) | 3SM |
| | KPAE 261528Z 07003KT 3SM -RA BR BKN001 OVC011 08/07 A3001 RMK AO2 P0002 |
| 07:19 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | Calm | 0.25 mm (0.01 in) | 1SM |
| | KPAE 261519Z 00000KT 1SM -RA BR OVC001 08/07 A3001 RMK AO2 P0001 RVRNO |
| 07:09 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1017 mb (30.03 in) | N 6 kph (N 3.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KPAE 261509Z 36003KT 2 1/2SM -RA BR OVC001 08/07 A3002 RMK AO2 CIG 001V004 P0001 |
| 06:53 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | N 7 kph (N 4.6 mph) | 0.76 mm (0.03 in) | 7SM |
| | KPAE 261453Z 35004KT 7SM -RA BKN004 OVC048 08/07 A3001 RMK AO2 CIG 002V008 SLP164 P0003 60020 T00780072 51004 |
| 06:13 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | NNW 13 kph (NNW 8.1 mph) | 0.25 mm (0.01 in) | 9SM |
| | KPAE 261413Z AUTO 33007KT 310V020 9SM -RA SCT006 BKN050 OVC055 08/07 A3001 RMK AO2 P0001 |
| 05:53 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | NW 17 kph (NW 10.4 mph) | 1.78 mm (0.07 in) | 8SM |
| | KPAE 261353Z AUTO 32009KT 8SM -RA BKN006 BKN034 OVC050 08/07 A3001 RMK AO2 SLP165 P0007 T00780067 |
| 04:53 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | NW 19 kph (NW 11.5 mph) | 2.54 mm (0.10 in) | 5SM |
| | KPAE 261253Z AUTO 32010G14KT 5SM -RA BR BKN008 BKN017 OVC029 08/07 A3001 RMK AO2 CIG 005V012 SLP165 P0010 T00830072 |
| 04:46 PST |  Overcast Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | NW 15 kph (NW 9.2 mph) | 2.54 mm (0.10 in) | 5SM |
| | KPAE 261246Z AUTO 32008KT 5SM RA BR SCT008 BKN013 OVC029 08/07 A3001 RMK AO2 P0010 |
| 04:21 PST |  Overcast Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1016 mb (30 in) | WNW 13 kph (WNW 8.1 mph) | 1.52 mm (0.06 in) | 4SM |
| | KPAE 261221Z AUTO 29007KT 4SM RA BR FEW005 BKN015 OVC021 08/07 A3001 RMK AO2 P0006 |
| 04:07 PST |  Overcast Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1016 mb (30 in) | WNW 13 kph (WNW 8.1 mph) | 1.02 mm (0.04 in) | 4SM |
| | KPAE 261207Z AUTO 29007G18KT 4SM RA BR FEW003 SCT006 OVC014 09/08 A3000 RMK AO2 P0004 |
| 03:53 PST |  Overcast Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | SSW 9 kph (SSW 5.8 mph) | 5.08 mm (0.20 in) | 3SM |
| | KPAE 261153Z AUTO 26005KT 3SM RA BR BKN003 BKN009 OVC014 10/09 A3000 RMK AO2 CIG 002V006 SLP159 P0020 60053 70077 T01000094 10106 20100 55000 |
| 03:35 PST |  Overcast Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | SW 13 kph (SW 8.1 mph) | 3.56 mm (0.14 in) | 3SM |
| | KPAE 261135Z AUTO 22007KT 3SM RA BR OVC003 10/09 A2999 RMK AO2 CIG 002V006 P0014 |
| 02:53 PST |  Overcast Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | S 15 kph (S 9.2 mph) | 2.79 mm (0.11 in) | 5SM |
| | KPAE 261053Z AUTO 19008KT 5SM RA BR FEW006 BKN009 OVC024 10/09 A2999 RMK AO2 SLP156 P0011 T01000094 |
| 02:40 PST |  Overcast Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | S 15 kph (S 9.2 mph) | 2.03 mm (0.08 in) | 5SM |
| | KPAE 261040Z AUTO 18008KT 5SM RA BR SCT006 BKN020 OVC026 10/09 A2999 RMK AO2 P0008 |
| 01:53 PST |  Overcast Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | S 17 kph (S 10.4 mph) | 2.29 mm (0.09 in) | 5SM |
| | KPAE 260953Z AUTO 17009KT 5SM RA BR BKN006 OVC010 10/09 A3000 RMK AO2 SLP160 P0009 T01000089 |
| 01:36 PST |  Overcast Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | S 19 kph (S 11.5 mph) | 1.52 mm (0.06 in) | 5SM |
| | KPAE 260936Z AUTO 18010KT 5SM RA BR FEW006 BKN009 OVC041 10/09 A3000 RMK AO2 P0006 |
| 01:29 PST |  Overcast Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | S 20 kph (S 12.7 mph) | 1.27 mm (0.05 in) | 5SM |
| | KPAE 260929Z AUTO 17011KT 5SM RA BR SCT009 BKN016 OVC065 10/09 A3000 RMK AO2 P0005 |
| 00:53 PST |  Overcast Light Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | SSE 19 kph (SSE 11.5 mph) | 1.27 mm (0.05 in) | 8SM |
| | KPAE 260853Z AUTO 16010KT 8SM -RA FEW004 SCT008 OVC012 10/09 A3000 RMK AO2 SLP158 P0005 60013 T01000089 56008 |
| 00:42 PST |  Overcast Light Rain | 10°C / 50°F | 9°C / 48°F | 94% | 1016 mb (30 in) | SSE 19 kph (SSE 11.5 mph) | 1.02 mm (0.04 in) | 9SM |
| | KPAE 260842Z AUTO 16010KT 9SM -RA FEW004 BKN008 OVC019 10/09 A3000 RMK AO2 P0004 |
| 00:19 PST |  Overcast Light Rain | 11°C / 52°F | 9°C / 48°F | 88% | 1016 mb (30 in) | SSE 26 kph (SSE 16.1 mph) | 0.76 mm (0.03 in) | 6SM |
| | KPAE 260819Z AUTO 16014KT 6SM -RA BR SCT010 BKN014 OVC020 11/09 A3000 RMK AO2 P0003 |