| 07:53 PST |  Overcast | 6°C / 43°F | 2°C / 36°F | 76% | 1014 mb (29.94 in) | N 32 kph (N 19.6 mph) | - | 10SM |
| | KEPH 271553Z AUTO 35017KT 10SM OVC095 06/02 A2994 RMK AO2 SLP147 T00560017 |
| 06:53 PST |  Overcast | 5°C / 41°F | 2°C / 36°F | 81% | 1013 mb (29.91 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KEPH 271453Z AUTO 36012KT 10SM OVC090 05/02 A2991 RMK AO2 SLP136 T00500022 51009 |
| 05:53 PST |  Overcast | 6°C / 43°F | 2°C / 36°F | 76% | 1013 mb (29.91 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KEPH 271353Z AUTO 34015G20KT 10SM OVC070 06/02 A2991 RMK AO2 SLP135 T00560022 |
| 04:53 PST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1012 mb (29.88 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KEPH 271253Z AUTO 31011KT 10SM OVC065 05/03 A2989 RMK AO2 SLP131 T00500028 |
| 03:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1012 mb (29.88 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KEPH 271153Z AUTO 35012KT 10SM FEW044 OVC055 04/02 A2988 RMK AO2 SLP126 60010 70011 T00440022 10044 20033 58001 |
| 02:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1012 mb (29.88 in) | NNW 24 kph (NNW 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KEPH 271053Z AUTO 34013KT 10SM SCT041 OVC060 04/02 A2988 RMK AO2 RAE34 SLP128 P0000 T00390022 |
| 01:53 PST |  Overcast Light Rain | 4°C / 39°F | 2°C / 36°F | 87% | 1012 mb (29.88 in) | NNW 20 kph (NNW 12.7 mph) | 0.51 mm (0.02 in) | 10SM |
| | KEPH 270953Z AUTO 33011KT 10SM -RA SCT019 BKN032 OVC060 04/02 A2989 RMK AO2 SLP129 P0002 T00390022 |
| 01:41 PST |  Overcast Light Rain | 4°C / 39°F | 2°C / 36°F | 87% | 1012 mb (29.88 in) | NW 20 kph (NW 12.7 mph) | 0.25 mm (0.01 in) | 10SM |
| | KEPH 270941Z AUTO 32011KT 10SM -RA SCT014 BKN030 OVC043 04/02 A2988 RMK AO2 P0001 |
| 00:53 PST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1012 mb (29.88 in) | NNW 11 kph (NNW 6.9 mph) | 1.27 mm (0.05 in) | 7SM |
| | KEPH 270853Z AUTO 33006KT 7SM -RA OVC012 04/03 A2988 RMK AO2 SLP128 P0005 60008 T00390033 56009 |