| 14:35 PST |  Overcast | 16°C / 61°F | 7°C / 45°F | 55% | 1022 mb (30.18 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KPWT 052235Z AUTO 21005KT 10SM OVC050 16/07 A3018 RMK AO1 |
| 14:15 PST |  Fair | 16°C / 61°F | 7°C / 45°F | 55% | 1022 mb (30.18 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KPWT 052215Z AUTO 16003KT 10SM 16/07 A3018 RMK AO1 |
| 13:55 PST |  Overcast | 16°C / 61°F | 6°C / 43°F | 52% | 1022 mb (30.18 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KPWT 052155Z AUTO 21006KT 10SM OVC060 16/06 A3018 RMK AO1 |
| 13:35 PST |  Overcast | 16°C / 61°F | 6°C / 43°F | 52% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KPWT 052135Z AUTO 00000KT 10SM OVC070 16/06 A3019 RMK AO1 |
| 13:15 PST |  Overcast | 16°C / 61°F | 6°C / 43°F | 52% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KPWT 052115Z AUTO 00000KT 10SM FEW035 OVC070 16/06 A3019 RMK AO1 |
| 12:55 PST |  Overcast | 15°C / 59°F | 6°C / 43°F | 55% | 1022 mb (30.18 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KPWT 052055Z AUTO 20003KT 10SM SCT035 OVC070 15/06 A3019 RMK AO1 57003 |
| 12:35 PST |  Overcast | 15°C / 59°F | 6°C / 43°F | 55% | 1022 mb (30.18 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KPWT 052035Z AUTO 15005KT 10SM SCT035 BKN046 OVC070 15/06 A3019 RMK AO1 |
| 12:15 PST |  Overcast | 16°C / 61°F | 6°C / 43°F | 52% | 1022 mb (30.18 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KPWT 052015Z AUTO 16006KT 10SM SCT035 SCT045 OVC070 16/06 A3019 RMK AO1 |
| 11:55 PST |  Overcast | 16°C / 61°F | 6°C / 43°F | 52% | 1022 mb (30.18 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KPWT 051955Z AUTO 16007KT 10SM BKN033 BKN039 OVC070 16/06 A3018 RMK AO1 |
| 11:35 PST |  Overcast | 15°C / 59°F | 7°C / 45°F | 59% | 1022 mb (30.18 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KPWT 051935Z AUTO 21009KT 10SM BKN030 BKN037 OVC080 15/07 A3019 RMK AO1 |
| 11:15 PST |  Overcast | 15°C / 59°F | 7°C / 45°F | 59% | 1022 mb (30.18 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KPWT 051915Z AUTO 21008KT 10SM BKN026 BKN032 OVC080 15/07 A3019 RMK AO1 |
| 10:55 PST |  Overcast | 14°C / 57°F | 7°C / 45°F | 63% | 1022 mb (30.18 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KPWT 051855Z AUTO 21009KT 10SM BKN024 OVC080 14/07 A3019 RMK AO1 |
| 10:35 PST |  Overcast | 14°C / 57°F | 7°C / 45°F | 63% | 1023 mb (30.21 in) | S 19 kph (S 11.5 mph) | - | 10SM |
| | KPWT 051835Z AUTO 17010G14KT 10SM BKN020 BKN026 OVC080 14/07 A3020 RMK AO1 |
| 10:15 PST |  Overcast | 13°C / 55°F | 7°C / 45°F | 67% | 1023 mb (30.21 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KPWT 051815Z AUTO 17008KT 10SM BKN018 OVC080 13/07 A3020 RMK AO1 |
| 09:55 PST |  Overcast | 13°C / 55°F | 7°C / 45°F | 67% | 1023 mb (30.21 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KPWT 051755Z AUTO 18008KT 10SM BKN016 OVC080 13/07 A3020 RMK AO1 10130 20040 52014 |
| 09:35 PST |  Overcast | 13°C / 55°F | 7°C / 45°F | 67% | 1023 mb (30.21 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KPWT 051735Z AUTO 18005KT 10SM OVC014 13/07 A3020 RMK AO1 |
| 09:15 PST |  Overcast | 13°C / 55°F | 8°C / 46°F | 72% | 1022 mb (30.18 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KPWT 051715Z AUTO 19007KT 10SM BKN012 OVC050 13/08 A3019 RMK AO1 |
| 08:55 PST |  Overcast | 12°C / 54°F | 8°C / 46°F | 77% | 1022 mb (30.18 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KPWT 051655Z AUTO 19005KT 10SM BKN010 OVC055 12/08 A3019 RMK AO1 |
| 08:35 PST |  Overcast | 11°C / 52°F | 8°C / 46°F | 82% | 1022 mb (30.18 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KPWT 051635Z AUTO 20006KT 10SM OVC008 11/08 A3018 RMK AO1 |
| 08:15 PST |  Overcast | 11°C / 52°F | 8°C / 46°F | 82% | 1022 mb (30.18 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KPWT 051615Z AUTO 20005KT 10SM OVC008 11/08 A3019 RMK AO1 |
| 07:55 PST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 9SM |
| | KPWT 051555Z AUTO 25003KT 9SM OVC006 10/08 A3019 RMK AO1 |
| 07:35 PST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1022 mb (30.18 in) | SW 7 kph (SW 4.6 mph) | - | 7SM |
| | KPWT 051535Z AUTO 21004KT 7SM OVC004 10/08 A3017 RMK AO1 |
| 07:15 PST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1021 mb (30.15 in) | S 6 kph (S 3.5 mph) | - | 7SM |
| | KPWT 051515Z AUTO 19003KT 7SM OVC004 09/07 A3016 RMK AO1 |
| 06:55 PST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1021 mb (30.15 in) | S 9 kph (S 5.8 mph) | - | 6SM |
| | KPWT 051455Z AUTO 17005KT 6SM OVC004 09/07 A3016 RMK AO1 52010 |
| 06:35 PST |  Fair | 9°C / 48°F | 7°C / 45°F | 87% | 1021 mb (30.15 in) | Calm | - | 1/4SM |
| | KPWT 051435Z AUTO 00000KT 1/4SM 09/07 A3016 RMK AO1 |
| 06:15 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1021 mb (30.15 in) | Calm | - | M1/4SM |
| | KPWT 051415Z AUTO 00000KT M1/4SM OVC002 08/07 A3016 RMK AO1 |
| 05:55 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1021 mb (30.15 in) | Calm | - | 1/2SM |
| | KPWT 051355Z AUTO 00000KT 1/2SM OVC002 08/07 A3015 RMK AO1 |
| 05:35 PST |  Overcast | 7°C / 45°F | 6°C / 43°F | 93% | 1021 mb (30.15 in) | Calm | - | 1SM |
| | KPWT 051335Z AUTO 00000KT 1SM OVC002 07/06 A3014 RMK AO1 |
| 05:15 PST |  Overcast | 6°C / 43°F | 4°C / 39°F | 87% | 1020 mb (30.12 in) | Calm | - | 1/2SM |
| | KPWT 051315Z AUTO 00000KT 1/2SM OVC002 06/04 A3013 RMK AO1 |
| 04:55 PST |  Partly Cloudy | 6°C / 43°F | 4°C / 39°F | 87% | 1020 mb (30.12 in) | Calm | - | 5SM |
| | KPWT 051255Z AUTO 00000KT 5SM FEW075 06/04 A3013 RMK AO1 |
| 04:35 PST |  Clear | 6°C / 43°F | 4°C / 39°F | 87% | 1021 mb (30.15 in) | Calm | - | 1 3/4SM |
| | KPWT 051235Z AUTO 00000KT 1 3/4SM CLR 06/04 A3014 RMK AO1 |
| 04:15 PST |  Clear | 6°C / 43°F | 4°C / 39°F | 87% | 1020 mb (30.12 in) | Calm | - | 8SM |
| | KPWT 051215Z AUTO 00000KT 8SM CLR 06/04 A3013 RMK AO1 |
| 03:55 PST |  Mostly Cloudy | 6°C / 43°F | 3°C / 37°F | 81% | 1020 mb (30.12 in) | Calm | - | 3/4SM |
| | KPWT 051155Z AUTO 00000KT 3/4SM BKN036 06/03 A3013 RMK AO1 10110 20060 52007 |
| 03:35 PST |  Partly Cloudy | 6°C / 43°F | 3°C / 37°F | 81% | 1020 mb (30.12 in) | Calm | - | 1 1/2SM |
| | KPWT 051135Z AUTO 00000KT 1 1/2SM SCT038 06/03 A3012 RMK AO1 |
| 03:15 PST |  Partly Cloudy | 7°C / 45°F | 4°C / 39°F | 81% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 051115Z AUTO 00000KT 10SM FEW042 07/04 A3012 RMK AO1 |
| 02:55 PST |  Clear | 7°C / 45°F | 5°C / 41°F | 87% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 051055Z AUTO 00000KT 10SM CLR 07/05 A3012 RMK AO1 |
| 02:35 PST |  Partly Cloudy | 9°C / 48°F | 6°C / 43°F | 82% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 051035Z AUTO 00000KT 10SM FEW055 09/06 A3011 RMK AO1 |
| 02:15 PST |  Mostly Cloudy | 9°C / 48°F | 7°C / 45°F | 87% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 051015Z AUTO 00000KT 10SM SCT050 BKN065 09/07 A3012 RMK AO1 |
| 01:55 PST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 050955Z AUTO 00000KT 10SM BKN050 OVC065 09/07 A3013 RMK AO1 |
| 01:35 PST |  Mostly Cloudy | 9°C / 48°F | 7°C / 45°F | 87% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 050935Z AUTO 00000KT 10SM FEW035 SCT043 BKN049 09/07 A3013 RMK AO1 |
| 01:15 PST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 050915Z AUTO 00000KT 10SM OVC035 09/07 A3011 RMK AO1 |
| 00:55 PST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 050855Z AUTO 00000KT 10SM OVC035 09/07 A3011 RMK AO1 54000 |
| 00:35 PST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1020 mb (30.12 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KPWT 050835Z AUTO 09003KT 10SM OVC033 09/07 A3011 RMK AO1 |
| 00:15 PST |  Overcast | 9°C / 48°F | 6°C / 43°F | 82% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPWT 050815Z AUTO 00000KT 10SM OVC033 09/06 A3011 RMK AO1 |