| 20:53 PST |  Partly Cloudy | 9°C / 48°F | 8°C / 46°F | 94% | 1016 mb (30 in) | Calm | - | 10SM |
| | KWVI 280453Z AUTO 00000KT 10SM SCT048 09/08 A2999 RMK AO2 SLP154 T00940078 |
| 19:53 PST |  Mostly Cloudy | 10°C / 50°F | 8°C / 46°F | 88% | 1016 mb (30 in) | Calm | - | 10SM |
| | KWVI 280353Z AUTO 00000KT 10SM FEW049 BKN060 10/08 A2999 RMK AO2 SLP155 T01000078 |
| 18:53 PST |  Clear | 11°C / 52°F | 8°C / 46°F | 82% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | 0.25 mm (0.01 in) | 10SM |
| | KWVI 280253Z AUTO 26007KT 10SM CLR 11/08 A2997 RMK AO2 RAE19 SLP149 P0001 60001 T01060078 50002 $ |
| 17:53 PST |  Overcast Light Rain | 12°C / 54°F | 8°C / 46°F | 77% | 1016 mb (30 in) | Variable 7 kph (Variable 4.6 mph) | 0.00 mm (0.00 in) | 7SM |
| | KWVI 280153Z AUTO VRB04KT 7SM -RA SCT038 BKN050 OVC100 12/08 A2999 RMK AO2 RAB51 SLP154 P0000 T01170078 |
| 16:53 PST |  Mostly Cloudy | 12°C / 54°F | 8°C / 46°F | 77% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KWVI 280053Z AUTO 25007KT 10SM BKN038 12/08 A2996 RMK AO2 SLP146 T01170078 |
| 15:53 PST |  Partly Cloudy | 13°C / 55°F | 8°C / 46°F | 72% | 1015 mb (29.97 in) | SSW 9 kph (SSW 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KWVI 272353Z AUTO 25005KT 10SM FEW023 SCT030 13/08 A2997 RMK AO2 RAB28E43 SLP147 P0000 60000 T01280083 10161 20111 58020 |
| 14:53 PST |  Overcast | 13°C / 55°F | 9°C / 48°F | 77% | 1016 mb (30 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KWVI 272253Z AUTO 24007KT 10SM BKN030 OVC037 13/09 A3000 RMK AO2 SLP157 T01330094 |
| 13:53 PST |  Mostly Cloudy | 14°C / 57°F | 8°C / 46°F | 67% | 1016 mb (30 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KWVI 272153Z AUTO 26011KT 10SM SCT038 BKN046 14/08 A3001 RMK AO2 SLP162 T01440078 |
| 12:53 PST |  Mostly Cloudy | 16°C / 61°F | 8°C / 46°F | 59% | 1017 mb (30.03 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KWVI 272053Z AUTO 28010G16KT 10SM SCT036 BKN050 16/08 A3003 RMK AO2 SLP167 60000 T01610078 58022 |
| 11:53 PST |  Partly Cloudy | 14°C / 57°F | 10°C / 50°F | 77% | 1018 mb (30.06 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KWVI 271953Z AUTO 25007KT 10SM FEW013 14/10 A3005 RMK AO2 SLP176 T01440100 |
| 11:27 PST |  Partly Cloudy | 13°C / 55°F | 11°C / 52°F | 88% | 1018 mb (30.06 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KWVI 271927Z AUTO 25005KT 10SM SCT009 SCT027 13/11 A3007 RMK AO2 |
| 10:53 PST |  Overcast Fog And Mist | 12°C / 54°F | 11°C / 52°F | 94% | 1019 mb (30.09 in) | SW 7 kph (SW 4.6 mph) | 0.00 mm (0.00 in) | 6SM |
| | KWVI 271853Z AUTO 22004KT 6SM BR OVC007 12/11 A3008 RMK AO2 RAE1758 CIG 005V010 SLP185 P0000 T01220106 |
| 10:16 PST |  Overcast Fog And Mist | 11°C / 52°F | 10°C / 50°F | 94% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 6SM |
| | KWVI 271816Z AUTO 00000KT 6SM BR BKN007 OVC012 11/10 A3009 RMK AO2 RAE1758 CIG 004V010 P0000 |
| 09:53 PST |  Overcast Light Rain | 11°C / 52°F | 10°C / 50°F | 94% | 1019 mb (30.09 in) | Variable 6 kph (Variable 3.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KWVI 271753Z AUTO VRB03KT 4SM -RA BR BKN005 BKN010 OVC026 11/10 A3009 RMK AO2 RAB49 SLP190 P0000 60000 T01110100 10111 20089 53000 |
| 09:50 PST |  Overcast Light Rain | 11°C / 52°F | 10°C / 50°F | 94% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KWVI 271750Z AUTO 00000KT 4SM -RA BR BKN005 BKN013 OVC026 11/10 A3009 RMK AO2 RAB49 P0000 |
| 09:37 PST |  Overcast Fog And Mist | 11°C / 52°F | 9°C / 48°F | 88% | 1019 mb (30.09 in) | Calm | - | 4SM |
| | KWVI 271737Z AUTO 00000KT 4SM BR SCT005 BKN028 OVC036 11/09 A3010 RMK AO2 |
| 09:07 PST |  Overcast Fog And Mist | 11°C / 52°F | 9°C / 48°F | 88% | 1019 mb (30.09 in) | Calm | - | 4SM |
| | KWVI 271707Z AUTO 00000KT 4SM BR BKN003 OVC070 11/09 A3009 RMK AO2 |
| 08:53 PST |  Overcast Fog And Mist | 10°C / 50°F | 9°C / 48°F | 94% | 1019 mb (30.09 in) | Calm | - | 4SM |
| | KWVI 271653Z AUTO 00000KT 4SM BR SCT003 OVC070 10/09 A3009 RMK AO2 SLP189 T01000094 |
| 08:48 PST |  Overcast Fog And Mist | 10°C / 50°F | 9°C / 48°F | 94% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KWVI 271648Z AUTO 00000KT 3SM BR SCT003 OVC070 10/09 A3009 RMK AO2 |
| 07:53 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KWVI 271553Z AUTO 00000KT 3SM BR BKN003 OVC007 09/09 A3008 RMK AO2 SLP187 T00940089 |
| 07:00 PST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1019 mb (30.09 in) | Calm | - | 2SM |
| | KWVI 271500Z AUTO 00000KT 2SM BR OVC007 09/08 A3009 RMK AO2 CIG 002V010 |
| 06:53 PST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1019 mb (30.09 in) | Calm | - | 2SM |
| | KWVI 271453Z AUTO 00000KT 2SM BR OVC005 09/08 A3008 RMK AO2 CIG 002V010 SLP186 T00940083 51006 |
| 06:50 PST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1019 mb (30.09 in) | Calm | - | 2SM |
| | KWVI 271450Z AUTO 00000KT 2SM BR OVC005 09/08 A3008 RMK AO2 CIG 002V010 |
| 06:35 PST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KWVI 271435Z AUTO 00000KT 3SM BR OVC005 09/08 A3008 RMK AO2 CIG 002V008 |
| 06:00 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1019 mb (30.09 in) | Calm | - | 2SM |
| | KWVI 271400Z AUTO 00000KT 2SM BR OVC007 09/09 A3008 RMK AO2 |
| 05:53 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KWVI 271353Z AUTO 00000KT 3SM BR OVC007 09/09 A3008 RMK AO2 SLP184 T00940089 |
| 05:41 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | Calm | - | 4SM |
| | KWVI 271341Z AUTO 00000KT 4SM BR OVC007 09/09 A3007 RMK AO2 |
| 05:15 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | Calm | - | 4SM |
| | KWVI 271315Z AUTO 00000KT 4SM BR OVC005 09/09 A3007 RMK AO2 CIG 004V007 |
| 04:53 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | Calm | - | 4SM |
| | KWVI 271253Z AUTO 00000KT 4SM BR OVC003 09/09 A3006 RMK AO2 SLP180 T00940089 |
| 03:53 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | NE 6 kph (NE 3.5 mph) | - | 3SM |
| | KWVI 271153Z AUTO 04003KT 3SM BR OVC003 09/09 A3006 RMK AO2 SLP180 T00940089 10094 20078 58000 |
| 03:33 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | Calm | - | 3SM |
| | KWVI 271133Z AUTO 00000KT 3SM BR OVC003 09/09 A3007 RMK AO2 |
| 03:25 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | Calm | - | 2 1/2SM |
| | KWVI 271125Z AUTO 00000KT 2 1/2SM BR OVC003 09/09 A3007 RMK AO2 |
| 02:53 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | Calm | - | 1 1/2SM |
| | KWVI 271053Z AUTO 00000KT 1 1/2SM BR OVC003 09/09 A3006 RMK AO2 SLP180 T00890089 |
| 02:24 PST |  Overcast Fog And Mist | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | N 6 kph (N 3.5 mph) | - | 1SM |
| | KWVI 271024Z AUTO 36003KT 1SM BR OVC003 09/09 A3007 RMK AO2 |
| 01:53 PST |  Overcast Fog | 9°C / 48°F | 8°C / 46°F | 94% | 1018 mb (30.06 in) | Calm | - | 1/2SM |
| | KWVI 270953Z AUTO 00000KT 1/2SM FG BKN001 OVC005 09/08 A3007 RMK AO2 SLP181 T00890083 |
| 01:25 PST |  Obscured Fog | 8°C / 46°F | 8°C / 46°F | 100% | 1018 mb (30.06 in) | Calm | - | 1/2SM |
| | KWVI 270925Z AUTO 00000KT 1/2SM FG VV001 08/08 A3007 RMK AO2 |
| 00:53 PST |  Obscured Fog | 8°C / 46°F | 8°C / 46°F | 100% | 1018 mb (30.06 in) | N 6 kph (N 3.5 mph) | - | 1/4SM |
| | KWVI 270853Z AUTO 35003KT 1/4SM FG VV001 08/08 A3006 RMK AO2 SLP180 T00780078 50002 |
| 00:36 PST |  Obscured Fog | 8°C / 46°F | 8°C / 46°F | 100% | 1018 mb (30.06 in) | NNW 7 kph (NNW 4.6 mph) | - | 1/2SM |
| | KWVI 270836Z AUTO 33004KT 1/2SM FG VV001 08/08 A3007 RMK AO2 |
| 00:02 PST |  Obscured Fog | 8°C / 46°F | 8°C / 46°F | 100% | 1018 mb (30.06 in) | SSE 6 kph (SSE 3.5 mph) | - | 1/4SM |
| | KWVI 270802Z AUTO 16003KT 1/4SM FG VV001 08/08 A3007 RMK AO2 |