| 15:53 PST |  Overcast Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1025 mb (30.27 in) | Calm | - | 3SM |
| | KDEW 282353Z AUTO 00000KT 3SM BR OVC019 01/00 A3027 RMK AO2 SLP276 T00060000 10006 21011 58003 |
| 14:53 PST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1025 mb (30.27 in) | Calm | - | 6SM |
| | KDEW 282253Z AUTO 00000KT 6SM BR BKN017 01/00 A3027 RMK AO2 SLP275 T00060000 |
| 13:53 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1025 mb (30.27 in) | Calm | - | 8SM |
| | KDEW 282153Z AUTO 00000KT 8SM OVC017 01/00 A3028 RMK AO2 SLP280 T00060000 |
| 12:53 PST |  Overcast Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KDEW 282053Z AUTO 00000KT 5SM BR FEW001 OVC015 00/M01 A3028 RMK AO2 SLP279 T00001006 58007 |
| 12:45 PST |  Overcast Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1025 mb (30.27 in) | Calm | - | 4SM |
| | KDEW 282045Z AUTO 00000KT 4SM BR SCT001 OVC015 00/M01 A3028 RMK AO2 |
| 12:27 PST |  Overcast Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1026 mb (30.3 in) | Calm | - | 3SM |
| | KDEW 282027Z AUTO 00000KT 3SM BR BKN001 OVC013 00/M01 A3029 RMK AO2 |
| 12:10 PST |  Overcast Fog And Mist | -1°C / 30°F | -1°C / 30°F | 100% | 1025 mb (30.27 in) | Calm | - | 2SM |
| | KDEW 282010Z AUTO 00000KT 2SM BR BKN001 OVC011 M01/M01 A3028 RMK AO2 |
| 11:53 PST |  Overcast Fog And Mist | -1°C / 30°F | -1°C / 30°F | 100% | 1026 mb (30.3 in) | Calm | - | 1SM |
| | KDEW 281953Z AUTO 00000KT 1SM BR BKN001 OVC011 M01/M01 A3029 RMK AO2 SLP283 T10061006 |
| 10:53 PST |  Overcast Fog | -1°C / 30°F | -1°C / 30°F | 100% | 1026 mb (30.3 in) | Calm | - | 1/2SM |
| | KDEW 281853Z AUTO 00000KT 1/2SM FZFG OVC001 M01/M01 A3030 RMK AO2 SLP286 T10061011 |
| 09:53 PST |  Overcast Fog | -1°C / 30°F | -1°C / 30°F | 100% | 1026 mb (30.3 in) | Calm | - | 1/4SM |
| | KDEW 281753Z AUTO 00000KT 1/4SM FZFG OVC001 M01/M01 A3030 RMK AO2 SLP287 T10111011 11011 21078 51007 |
| 08:53 PST |  Overcast Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1026 mb (30.3 in) | Calm | - | 3/4SM |
| | KDEW 281653Z AUTO 00000KT 3/4SM BR OVC001 M02/M02 A3030 RMK AO2 SLP285 T10221022 |
| 07:53 PST |  Overcast Fog | -3°C / 27°F | -3°C / 27°F | 100% | 1026 mb (30.3 in) | Calm | - | 1/4SM |
| | KDEW 281553Z AUTO 00000KT 1/4SM FZFG OVC001 M03/M03 A3029 RMK AO2 SLP285 T10281028 |
| 07:30 PST |  Overcast Fog | -3°C / 27°F | -3°C / 27°F | 100% | 1026 mb (30.3 in) | Calm | - | 1/2SM |
| | KDEW 281530Z AUTO 00000KT 1/2SM FZFG OVC001 M03/M03 A3029 RMK AO2 |
| 07:14 PST |  Overcast Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1025 mb (30.27 in) | Calm | - | 1 3/4SM |
| | KDEW 281514Z AUTO 00000KT 1 3/4SM BR OVC001 M03/M03 A3028 RMK AO2 |
| 06:53 PST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1025 mb (30.27 in) | N 6 kph (N 3.5 mph) | - | 8SM |
| | KDEW 281453Z AUTO 35003KT 8SM OVC003 M03/M04 A3028 RMK AO2 SLP279 T10331039 51011 |
| 06:43 PST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KDEW 281443Z AUTO 00000KT 10SM BKN003 OVC016 M03/M04 A3027 RMK AO2 CIG 002V006 |
| 06:35 PST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KDEW 281435Z AUTO 00000KT 10SM BKN005 OVC016 M03/M04 A3027 RMK AO2 CIG 002V006 |
| 06:09 PST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1025 mb (30.27 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KDEW 281409Z AUTO 17004KT 10SM OVC003 M03/M04 A3027 RMK AO2 CIG 002V007 |
| 05:53 PST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1025 mb (30.27 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KDEW 281353Z AUTO 16005KT 10SM BKN005 OVC033 M03/M04 A3027 RMK AO2 CIG 003V007 SLP274 T10331039 |
| 05:48 PST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1025 mb (30.27 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KDEW 281348Z AUTO 16004KT 10SM SCT005 OVC033 M03/M04 A3026 RMK AO2 |
| 04:53 PST |  Mostly Cloudy | -6°C / 21°F | -6°C / 21°F | 100% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KDEW 281253Z AUTO 00000KT 10SM BKN035 M06/M06 A3025 RMK AO2 SLP268 T10561061 |
| 03:53 PST |  Clear | -7°C / 19°F | -7°C / 19°F | 100% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KDEW 281153Z AUTO 00000KT 10SM CLR M07/M07 A3025 RMK AO2 SLP268 70010 T10671072 11033 21072 53012 |
| 02:53 PST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1024 mb (30.24 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KDEW 281053Z AUTO 05004KT 10SM CLR M07/M08 A3023 RMK AO2 SLP259 T10671078 |
| 01:53 PST |  Clear | -7°C / 19°F | -7°C / 19°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KDEW 280953Z AUTO 00000KT 10SM CLR M07/M07 A3022 RMK AO2 SLP255 T10671072 |
| 00:53 PST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KDEW 280853Z AUTO 00000KT 10SM CLR M06/M07 A3021 RMK AO2 SLP252 T10611067 50010 |