| 12:53 PST |  Clear | 5°C / 41°F | 1°C / 34°F | 76% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KPAE 242053Z 00000KT 10SM CLR 05/01 A3031 RMK AO2 SLP269 T00500006 58019 |
| 11:53 PST |  Clear | 4°C / 39°F | 1°C / 34°F | 81% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KPAE 241953Z 00000KT 10SM CLR 04/01 A3033 RMK AO2 SLP275 T00440006 |
| 10:53 PST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KPAE 241853Z 00000KT 10SM CLR 03/00 A3036 RMK AO2 SLP285 T00280000 |
| 09:53 PST |  Clear | 2°C / 36°F | 1°C / 34°F | 93% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KPAE 241753Z 00000KT 10SM CLR 02/01 A3037 RMK AO2 SLP288 FOG BNK OVR WTR T00220006 10022 21006 55001 |
| 08:53 PST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1028 mb (30.36 in) | Calm | - | 7SM |
| | KPAE 241653Z 00000KT 7SM CLR M01/M02 A3036 RMK AO2 SLP287 FOG OVR WTR T10061017 |
| 07:53 PST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KPAE 241553Z 00000KT 10SM CLR 00/M01 A3036 RMK AO2 SLP287 T00001011 |
| 06:53 PST |  Clear Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1028 mb (30.36 in) | NE 6 kph (NE 3.5 mph) | - | 5SM |
| | KPAE 241453Z 03003KT 5SM BR CLR 00/M02 A3037 RMK AO2 SLP290 T00001017 58005 |
| 05:53 PST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1028 mb (30.36 in) | Calm | - | 8SM |
| | KPAE 241353Z AUTO 00000KT 8SM CLR 00/M01 A3037 RMK AO2 SLP291 T00001011 |
| 05:01 PST |  Partly Cloudy Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1029 mb (30.39 in) | Calm | - | 3SM |
| | KPAE 241301Z AUTO 00000KT 3SM BR SCT001 01/M01 A3038 RMK AO2 |
| 04:59 PST |  Obscured Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1029 mb (30.39 in) | Calm | - | 1SM |
| | KPAE 241259Z AUTO 00000KT 1SM BR VV001 01/M01 A3038 RMK AO2 RVRNO |
| 04:53 PST |  Obscured Fog | 0°C / 32°F | -1°C / 30°F | 93% | 1029 mb (30.39 in) | E 6 kph (E 3.5 mph) | - | 1/4SM |
| | KPAE 241253Z AUTO 09003KT 1/4SM FG VV001 00/M01 A3038 RMK AO2 SLP295 T00001011 RVRNO |
| 04:43 PST |  Obscured Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1029 mb (30.39 in) | NNE 6 kph (NNE 3.5 mph) | - | 3/4SM |
| | KPAE 241243Z AUTO 02003KT 3/4SM BR VV001 00/M01 A3039 RMK AO2 RVRNO |
| 04:41 PST |  Partly Cloudy Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1029 mb (30.39 in) | Calm | - | 1 3/4SM |
| | KPAE 241241Z AUTO 00000KT 1 3/4SM BR FEW001 00/M01 A3039 RMK AO2 |
| 03:53 PST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KPAE 241153Z AUTO 00000KT 10SM CLR 02/M01 A3039 RMK AO2 SLP296 T00171006 10022 20006 58007 |
| 02:53 PST |  Clear | 1°C / 34°F | 0°C / 32°F | 93% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KPAE 241053Z AUTO 00000KT 10SM CLR 01/00 A3040 RMK AO2 SLP301 T00110000 |
| 01:53 PST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1030 mb (30.42 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KPAE 240953Z AUTO 12004KT 10SM CLR 02/00 A3041 RMK AO2 SLP302 T00170000 |
| 00:53 PST |  Clear Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1030 mb (30.42 in) | Calm | - | 3SM |
| | KPAE 240853Z AUTO 00000KT 3SM BR CLR 01/00 A3041 RMK AO2 SLP303 T00060000 58006 |
| 00:32 PST |  Partly Cloudy Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1030 mb (30.42 in) | Calm | - | 3SM |
| | KPAE 240832Z AUTO 00000KT 3SM BR FEW001 02/01 A3041 RMK AO2 |
| 00:25 PST |  Partly Cloudy Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1030 mb (30.42 in) | Calm | - | 1 1/4SM |
| | KPAE 240825Z AUTO 00000KT 1 1/4SM BR SCT001 02/01 A3041 RMK AO2 |
| 00:05 PST |  Obscured Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1030 mb (30.42 in) | E 6 kph (E 3.5 mph) | - | 3/4SM |
| | KPAE 240805Z AUTO 10003KT 3/4SM BR VV001 02/01 A3041 RMK AO2 RVRNO |
| 00:01 PST |  Partly Cloudy Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1030 mb (30.42 in) | Calm | - | 1 3/4SM |
| | KPAE 240801Z AUTO 00000KT 1 3/4SM BR SCT002 02/01 A3041 RMK AO2 |