| 14:53 PST |  Clear | 11°C / 52°F | -1°C / 30°F | 44% | 1020 mb (30.12 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KYKM 272253Z 34008KT 10SM CLR 11/M01 A3012 RMK AO2 SLP203 T01111006 |
| 13:53 PST |  Clear | 12°C / 54°F | 1°C / 34°F | 47% | 1019 mb (30.09 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KYKM 272153Z 33009KT 10SM CLR 12/01 A3010 RMK AO2 SLP196 T01220011 |
| 12:53 PST |  Clear | 11°C / 52°F | 3°C / 37°F | 58% | 1019 mb (30.09 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KYKM 272053Z 35005KT 10SM CLR 11/03 A3008 RMK AO2 SLP191 T01110033 51008 |
| 11:53 PST |  Clear | 10°C / 50°F | 3°C / 37°F | 62% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KYKM 271953Z 00000KT 10SM CLR 10/03 A3008 RMK AO2 SLP190 T01000033 |
| 10:53 PST |  Clear | 9°C / 48°F | 4°C / 39°F | 71% | 1018 mb (30.06 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KYKM 271853Z 32003KT 10SM CLR 09/04 A3007 RMK AO2 SLP187 T00890044 |
| 09:53 PST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1018 mb (30.06 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KYKM 271753Z 28003KT 10SM BKN080 OVC095 07/05 A3005 RMK AO2 SLP184 60000 T00670050 10067 20039 53029 |
| 08:53 PST |  Mostly Cloudy Fog And Mist | 5°C / 41°F | 4°C / 39°F | 93% | 1017 mb (30.03 in) | Calm | - | 6SM |
| | KYKM 271653Z 00000KT 6SM BR SCT065 BKN080 BKN090 05/04 A3003 RMK AO2 SLP176 T00500044 |
| 07:53 PST |  Overcast | 4°C / 39°F | 4°C / 39°F | 100% | 1016 mb (30 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KYKM 271553Z 33004KT 10SM BKN065 OVC095 04/04 A2999 RMK AO2 SLP163 T00440039 |
| 06:53 PST |  Overcast | 4°C / 39°F | 4°C / 39°F | 100% | 1015 mb (29.97 in) | WNW 9 kph (WNW 5.8 mph) | - | 8SM |
| | KYKM 271453Z 29005KT 8SM OVC065 04/04 A2997 RMK AO2 SLP155 60000 T00440039 53016 |
| 05:53 PST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1014 mb (29.94 in) | SW 6 kph (SW 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KYKM 271353Z 22003KT 10SM OVC055 05/04 A2994 RMK AO2 RAE1258 SLP147 P0000 T00500039 |
| 04:53 PST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1014 mb (29.94 in) | WNW 6 kph (WNW 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KYKM 271253Z AUTO 29003KT 10SM -RA BKN038 OVC045 05/04 A2993 RMK AO2 RAB11 SLP143 P0000 T00500044 |
| 04:35 PST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1014 mb (29.94 in) | WNW 9 kph (WNW 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KYKM 271235Z AUTO 29005KT 10SM -RA SCT029 OVC038 05/04 A2993 RMK AO2 RAB11 P0000 |
| 03:53 PST |  Overcast | 4°C / 39°F | 4°C / 39°F | 100% | 1013 mb (29.91 in) | WNW 7 kph (WNW 4.6 mph) | - | 7SM |
| | KYKM 271153Z AUTO 29004KT 7SM OVC027 04/04 A2992 RMK AO2 SLP138 60004 70019 T00440039 10050 20039 53007 |
| 02:53 PST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1012 mb (29.88 in) | SSW 9 kph (SSW 5.8 mph) | 0.25 mm (0.01 in) | 5SM |
| | KYKM 271053Z AUTO 25005KT 5SM BR OVC021 04/04 A2989 RMK AO2 RAE48 SLP130 P0001 T00440039 |
| 02:35 PST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1012 mb (29.88 in) | W 6 kph (W 3.5 mph) | 0.25 mm (0.01 in) | 3SM |
| | KYKM 271035Z AUTO 28003KT 3SM -RA BR SCT014 OVC021 04/04 A2989 RMK AO2 P0001 |
| 02:16 PST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1012 mb (29.88 in) | W 7 kph (W 4.6 mph) | 0.00 mm (0.00 in) | 3SM |
| | KYKM 271016Z AUTO 28004KT 3SM -RA BR OVC014 04/04 A2989 RMK AO2 P0000 |
| 01:53 PST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1013 mb (29.91 in) | WNW 9 kph (WNW 5.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KYKM 270953Z AUTO 29005KT 3SM -RA BR OVC016 04/04 A2990 RMK AO2 RAB23 SLP131 P0000 T00440039 |
| 01:00 PST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1012 mb (29.88 in) | SSW 6 kph (SSW 3.5 mph) | - | 3SM |
| | KYKM 270900Z AUTO 25003KT 3SM BR OVC012 04/04 A2989 RMK AO2 |
| 00:53 PST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1012 mb (29.88 in) | SW 6 kph (SW 3.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KYKM 270853Z AUTO 23003KT 2 1/2SM BR OVC012 04/04 A2989 RMK AO2 RAE35 SLP130 P0001 60003 T00390039 55003 |
| 00:20 PST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1012 mb (29.88 in) | Calm | 0.25 mm (0.01 in) | 2SM |
| | KYKM 270820Z AUTO 00000KT 2SM -RA BR OVC012 04/04 A2988 RMK AO2 P0001 |