| 20:53 PST |  Clear | N/A | N/A | N/A | 1015 mb (29.97 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KPSP 300453Z 33007KT 10SM CLR A2997 RMK AO2 SLPNO $ |
| 19:53 PST |  Clear | N/A | N/A | N/A | 1015 mb (29.97 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KPSP 300353Z 34010KT 10SM CLR A2996 RMK AO2 SLPNO $ |
| 18:53 PST |  Clear | N/A | N/A | N/A | 1014 mb (29.94 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KPSP 300253Z 01004KT 10SM CLR A2995 RMK AO2 SLPNO 53015 $ |
| 17:53 PST |  Clear | N/A | N/A | N/A | 1014 mb (29.94 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KPSP 300153Z 33006KT 10SM CLR A2993 RMK AO2 SLPNO $ |
| 16:53 PST |  Partly Cloudy | N/A | N/A | N/A | 1013 mb (29.91 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KPSP 300053Z 32008KT 10SM FEW100 A2992 RMK AO2 SLPNO $ |
| 15:53 PST |  Overcast | 31°C / 88°F | -3°C / 27°F | 11% | 1013 mb (29.91 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KPSP 292353Z 32008KT 10SM OVC100 31/M03 A2991 RMK AO2 SLP126 T03111028 10328 20172 50001 |
| 14:53 PST |  Mostly Cloudy | 24°C / 75°F | -2°C / 28°F | 18% | 1013 mb (29.91 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KPSP 292253Z 33007KT 10SM BKN100 24/M02 A2991 RMK AO2 SLP128 T02391022 |
| 13:53 PST |  Mostly Cloudy | 24°C / 75°F | -2°C / 28°F | 18% | 1013 mb (29.91 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KPSP 292153Z 34016G19KT 10SM BKN100 24/M02 A2991 RMK AO2 SLP127 T02391022 |
| 12:53 PST |  Partly Cloudy | 22°C / 72°F | -2°C / 28°F | 20% | 1013 mb (29.91 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KPSP 292053Z 36011G19KT 10SM SCT070 22/M02 A2991 RMK AO2 SLP128 T02171022 58021 |
| 11:53 PST |  Partly Cloudy | 22°C / 72°F | -1°C / 30°F | 22% | 1014 mb (29.94 in) | NNE 22 kph (NNE 13.8 mph) | - | 10SM |
| | KPSP 291953Z 02012KT 10SM SCT070 SCT100 22/M01 A2993 RMK AO2 PK WND 03028/1900 SLP135 T02221011 |
| 10:53 PST |  Mostly Cloudy | 17°C / 63°F | 1°C / 34°F | 34% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KPSP 291853Z 00000KT 10SM BKN080 17/01 A2996 RMK AO2 SLP146 T01700006 |
| 09:53 PST |  Overcast | 32°C / 90°F | 2°C / 36°F | 15% | 1015 mb (29.97 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KPSP 291753Z 22009G14KT 10SM OVC080 32/02 A2997 RMK AO2 SLP147 60000 T03220017 10322 20122 50004 |
| 08:53 PST |  Mostly Cloudy | 24°C / 75°F | 2°C / 36°F | 24% | 1015 mb (29.97 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KPSP 291653Z 27007KT 10SM SCT060 BKN090 24/02 A2998 RMK AO2 SLP150 T02390017 |
| 07:53 PST |  Mostly Cloudy | 21°C / 70°F | 4°C / 39°F | 33% | 1015 mb (29.97 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KPSP 291553Z 26008KT 10SM SCT060 BKN090 21/04 A2997 RMK AO2 SLP148 T02110044 |
| 06:53 PST |  Mostly Cloudy | 20°C / 68°F | 5°C / 41°F | 38% | 1015 mb (29.97 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPSP 291453Z 32012KT 10SM SCT060 BKN090 20/05 A2996 RMK AO2 RAE1357B31E40 SLP144 P0000 60000 T02000050 53032 |
| 05:53 PST |  Mostly Cloudy Light Rain | 14°C / 57°F | 4°C / 39°F | 51% | 1013 mb (29.91 in) | NNE 17 kph (NNE 10.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPSP 291353Z 02009KT 10SM -RA BKN060 BKN090 14/04 A2991 RMK AO2 RAB47 SLP127 P0000 T01440039 |
| 04:53 PST |  Mostly Cloudy | 13°C / 55°F | 3°C / 37°F | 51% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KPSP 291253Z 00000KT 10SM SCT070 SCT100 BKN110 13/03 A2986 RMK AO2 SLP113 T01280028 |
| 03:53 PST |  Clear | 18°C / 64°F | 3°C / 37°F | 37% | 1011 mb (29.85 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KPSP 291153Z 25003KT 10SM CLR 18/03 A2986 RMK AO2 SLP112 70005 T01780033 10183 20083 50001 |
| 02:53 PST |  Clear | 16°C / 61°F | 3°C / 37°F | 42% | 1012 mb (29.88 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KPSP 291053Z 25004KT 10SM CLR 16/03 A2987 RMK AO2 SLP116 T01560033 |
| 01:53 PST |  Partly Cloudy | 11°C / 52°F | 3°C / 37°F | 58% | 1011 mb (29.85 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KPSP 290953Z VRB03KT 10SM FEW070 SCT120 11/03 A2986 RMK AO2 SLP110 T01060033 |
| 00:53 PST |  Clear | 10°C / 50°F | 3°C / 37°F | 62% | 1011 mb (29.85 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KPSP 290853Z 31003KT 10SM CLR 10/03 A2986 RMK AO2 SLP112 T01000033 51008 |