| 09:55 PST |  Clear | 9°C / 48°F | 6°C / 43°F | 82% | 1023 mb (30.21 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KAST 271755Z AUTO 31005KT 10SM CLR 09/06 A3020 RMK AO2 SLP225 T00940056 10094 20061 51038 |
| 08:55 PST |  Partly Cloudy | 9°C / 48°F | 4°C / 39°F | 71% | 1022 mb (30.18 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KAST 271655Z AUTO 35007KT 10SM FEW030 09/04 A3017 RMK AO2 SLP215 T00940044 |
| 07:55 PST |  Clear | 8°C / 46°F | 4°C / 39°F | 76% | 1020 mb (30.12 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KAST 271555Z AUTO 35011KT 10SM CLR 08/04 A3012 RMK AO2 SLP200 T00830044 |
| 06:55 PST |  Clear | 8°C / 46°F | 4°C / 39°F | 76% | 1019 mb (30.09 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KAST 271455Z AUTO 35011KT 10SM CLR 08/04 A3009 RMK AO2 SLP187 T00830044 53029 |
| 06:11 PST |  Partly Cloudy | 7°C / 45°F | 4°C / 39°F | 81% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KAST 271411Z AUTO 00000KT 10SM FEW020 SCT025 07/04 A3006 RMK AO2 |
| 05:55 PST |  Mostly Cloudy | 8°C / 46°F | 5°C / 41°F | 82% | 1018 mb (30.06 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KAST 271355Z AUTO 32003KT 10SM SCT021 BKN026 08/05 A3005 RMK AO2 SLP176 T00780050 |
| 04:55 PST |  Overcast | 9°C / 48°F | 5°C / 41°F | 76% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KAST 271255Z AUTO 00000KT 10SM OVC023 09/05 A3003 RMK AO2 SLP169 T00890050 |
| 04:24 PST |  Overcast | 8°C / 46°F | 4°C / 39°F | 76% | 1017 mb (30.03 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KAST 271224Z AUTO 03006KT 10SM BKN025 OVC120 08/04 A3002 RMK AO2 |
| 03:55 PST |  Overcast | 9°C / 48°F | 4°C / 39°F | 71% | 1016 mb (30 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KAST 271155Z AUTO 02004KT 10SM OVC110 09/04 A3000 RMK AO2 SLP158 60009 70098 T00890044 10094 20083 51022 |
| 02:55 PST |  Overcast | 8°C / 46°F | 5°C / 41°F | 82% | 1015 mb (29.97 in) | NNE 22 kph (NNE 13.8 mph) | - | 10SM |
| | KAST 271055Z AUTO 02012KT 10SM FEW037 SCT065 OVC095 08/05 A2998 RMK AO2 SLP152 T00830050 |
| 01:55 PST |  Overcast | 9°C / 48°F | 5°C / 41°F | 76% | 1015 mb (29.97 in) | N 19 kph (N 11.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAST 270955Z AUTO 01010KT 10SM BKN050 OVC060 09/05 A2996 RMK AO2 RAE52 SLP143 P0000 T00890050 |
| 00:55 PST |  Overcast Light Rain | 8°C / 46°F | 6°C / 43°F | 87% | 1014 mb (29.94 in) | NNE 22 kph (NNE 13.8 mph) | 0.76 mm (0.03 in) | 10SM |
| | KAST 270855Z AUTO 02012KT 10SM -RA FEW024 SCT045 OVC055 08/06 A2994 RMK AO2 SLP136 P0003 60009 T00830061 51020 |
| 00:53 PST |  Overcast Light Rain | 8°C / 46°F | 6°C / 43°F | 87% | 1014 mb (29.94 in) | NNE 20 kph (NNE 12.7 mph) | 0.76 mm (0.03 in) | 10SM |
| | KAST 270853Z AUTO 02011KT 10SM -RA SCT024 BKN045 OVC055 08/06 A2994 RMK AO2 P0003 |
| 00:22 PST |  Overcast Light Rain | 8°C / 46°F | 6°C / 43°F | 87% | 1013 mb (29.91 in) | N 22 kph (N 13.8 mph) | 0.51 mm (0.02 in) | 8SM |
| | KAST 270822Z AUTO 01012KT 8SM -RA FEW013 BKN022 OVC045 08/06 A2992 RMK AO2 P0002 |