| 19:53 PST |  Overcast | 13°C / 55°F | 11°C / 52°F | 88% | 1011 mb (29.85 in) | SE 17 kph (SE 10.4 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSJC 120353Z 12009KT 9SM FEW011 BKN033 OVC070 13/11 A2986 RMK AO2 RAE45 SLP110 P0000 T01280111 |
| 18:53 PST |  Overcast Light Rain | 13°C / 55°F | 11°C / 52°F | 88% | 1011 mb (29.85 in) | SE 13 kph (SE 8.1 mph) | 0.51 mm (0.02 in) | 7SM |
| | KSJC 120253Z 13007KT 7SM -RA FEW018 BKN036 OVC046 13/11 A2986 RMK AO2 RAB00 SLP111 P0002 60003 T01330111 55005 |
| 17:53 PST |  Overcast | 13°C / 55°F | 11°C / 52°F | 88% | 1011 mb (29.85 in) | SSE 9 kph (SSE 5.8 mph) | - | 8SM |
| | KSJC 120153Z 15005KT 8SM FEW018 OVC032 13/11 A2986 RMK AO2 SLP110 T01280111 |
| 17:13 PST |  Overcast Fog And Mist | 12°C / 54°F | 11°C / 52°F | 94% | 1011 mb (29.85 in) | Calm | - | 5SM |
| | KSJC 120113Z 00000KT 5SM BR FEW018 BKN036 OVC180 12/11 A2986 RMK AO2 |
| 17:04 PST |  Overcast Fog And Mist | 12°C / 54°F | 11°C / 52°F | 94% | 1011 mb (29.85 in) | Calm | - | 2 1/2SM |
| | KSJC 120104Z 00000KT 2 1/2SM BR FEW018 BKN038 OVC180 12/11 A2986 RMK AO2 VIS SW-NW 1 3/4 |
| 16:53 PST |  Mostly Cloudy Fog And Mist | 12°C / 54°F | 10°C / 50°F | 88% | 1011 mb (29.85 in) | Calm | 0.25 mm (0.01 in) | 1 3/4SM |
| | KSJC 120053Z 00000KT 1 3/4SM BR FEW018 BKN038 BKN180 12/10 A2986 RMK AO2 RAB00E32 SLP110 P0001 T01170100 |
| 15:53 PST |  Overcast Fog And Mist | 11°C / 52°F | 10°C / 50°F | 94% | 1012 mb (29.88 in) | SSW 6 kph (SSW 3.5 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KSJC 112353Z 24003KT 1 3/4SM BR FEW018 BKN031 OVC038 11/10 A2988 RMK AO2 RAE22 SLP117 P0000 60005 T01110100 10117 20078 55008 |
| 14:53 PST |  Overcast Light Rain | 11°C / 52°F | 10°C / 50°F | 94% | 1012 mb (29.88 in) | Calm | 1.27 mm (0.05 in) | 1 3/4SM |
| | KSJC 112253Z 00000KT 1 3/4SM -RA BR FEW018 BKN036 OVC050 11/10 A2987 RMK AO2 SLP116 P0005 T01110100 |
| 14:20 PST |  Overcast Rain | 11°C / 52°F | 9°C / 48°F | 88% | 1012 mb (29.88 in) | NNE 6 kph (NNE 3.5 mph) | 0.76 mm (0.03 in) | 1 1/2SM |
| | KSJC 112220Z 02003KT 1 1/2SM RA BR FEW018 BKN036 OVC050 11/09 A2988 RMK AO2 P0003 |
| 14:09 PST |  Overcast Light Rain | 12°C / 54°F | 9°C / 48°F | 82% | 1012 mb (29.88 in) | Calm | 0.25 mm (0.01 in) | 2 1/2SM |
| | KSJC 112209Z 00000KT 2 1/2SM -RA FEW007 BKN032 OVC038 12/09 A2988 RMK AO2 P0001 |
| 13:53 PST |  Mostly Cloudy Light Rain | 12°C / 54°F | 9°C / 48°F | 82% | 1012 mb (29.88 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KSJC 112153Z 00000KT 5SM -RA FEW007 BKN050 BKN110 12/09 A2988 RMK AO2 RAB34 SLP118 P0000 T01170089 |
| 12:53 PST |  Mostly Cloudy Hazy | 11°C / 52°F | 8°C / 46°F | 82% | 1013 mb (29.91 in) | Calm | - | 5SM |
| | KSJC 112053Z 00000KT 5SM HZ FEW007 BKN050 BKN110 11/08 A2990 RMK AO2 SLP125 60000 T01110083 58021 |
| 11:53 PST |  Partly Cloudy Fog And Mist | 9°C / 48°F | 7°C / 45°F | 87% | 1013 mb (29.91 in) | Calm | - | 4SM |
| | KSJC 111953Z 00000KT 4SM BR FEW007 SCT045 09/07 A2992 RMK AO2 SLP131 T00940072 |
| 11:25 PST |  Overcast Fog And Mist | 9°C / 48°F | 7°C / 45°F | 87% | 1014 mb (29.94 in) | Calm | - | 3SM |
| | KSJC 111925Z 00000KT 3SM BR FEW007 BKN045 OVC080 09/07 A2994 RMK AO2 |
| 10:53 PST |  Overcast Fog And Mist | 9°C / 48°F | 7°C / 45°F | 87% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KSJC 111853Z 00000KT 3SM BR FEW007 BKN024 OVC050 09/07 A2996 RMK AO2 RAB33E44 SLP144 P0000 T00890067 |
| 09:53 PST |  Overcast Fog And Mist | 8°C / 46°F | 6°C / 43°F | 87% | 1015 mb (29.97 in) | W 6 kph (W 3.5 mph) | - | 4SM |
| | KSJC 111753Z 27003KT 4SM BR FEW003 SCT009 OVC024 08/06 A2996 RMK AO2 SLP146 60001 T00780061 10078 20056 53015 |
| 09:50 PST |  Overcast Fog And Mist | 8°C / 46°F | 6°C / 43°F | 87% | 1015 mb (29.97 in) | Calm | - | 4SM |
| | KSJC 111750Z 00000KT 4SM BR FEW003 SCT009 OVC024 08/06 A2996 RMK AO2 |
| 09:38 PST |  Overcast Fog And Mist | 8°C / 46°F | 6°C / 43°F | 87% | 1015 mb (29.97 in) | Calm | - | 4SM |
| | KSJC 111738Z 00000KT 4SM BR FEW003 BKN009 OVC024 08/06 A2996 RMK AO2 |
| 08:53 PST |  Overcast Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | Calm | - | 3SM |
| | KSJC 111653Z 00000KT 3SM BR FEW003 SCT009 OVC024 07/06 A2995 RMK AO2 SLP140 T00720061 |
| 08:26 PST |  Overcast Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | Calm | - | 3SM |
| | KSJC 111626Z 00000KT 3SM BR FEW004 SCT015 OVC024 07/06 A2993 RMK AO2 |
| 07:53 PST |  Overcast Fog And Mist | 7°C / 45°F | 5°C / 41°F | 87% | 1013 mb (29.91 in) | Calm | - | 2SM |
| | KSJC 111553Z 00000KT 2SM BR FEW005 BKN015 OVC021 07/05 A2992 RMK AO2 SLP132 T00670050 |
| 07:30 PST |  Overcast Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 2SM |
| | KSJC 111530Z 00000KT 2SM BR FEW005 BKN015 OVC021 07/06 A2992 RMK AO2 |
| 06:53 PST |  Overcast Fog And Mist | 6°C / 43°F | 6°C / 43°F | 100% | 1013 mb (29.91 in) | Calm | - | 1 1/2SM |
| | KSJC 111453Z 00000KT 1 1/2SM BR SCT002 BKN005 OVC015 06/06 A2992 RMK AO2 SLP130 60001 T00610056 55005 |
| 05:53 PST |  Overcast Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1013 mb (29.91 in) | Calm | 0.25 mm (0.01 in) | 1 1/2SM |
| | KSJC 111353Z 00000KT 1 1/2SM BR BKN006 OVC020 06/05 A2991 RMK AO2 CIG 002V008 SLP126 P0001 T00610050 |
| 04:53 PST |  Overcast Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1013 mb (29.91 in) | Calm | - | 2SM |
| | KSJC 111253Z AUTO 00000KT 2SM BR OVC006 06/05 A2992 RMK AO2 CIG 003V006 SLP130 T00560050 |
| 04:44 PST |  Overcast Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1013 mb (29.91 in) | Calm | - | 2SM |
| | KSJC 111244Z AUTO 00000KT 2SM BR OVC006 06/05 A2992 RMK AO2 |
| 04:09 PST |  Overcast Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | SSW 6 kph (SSW 3.5 mph) | - | 2SM |
| | KSJC 111209Z AUTO 24003KT 2SM BR OVC004 06/05 A2993 RMK AO2 CIG 002V007 |
| 03:53 PST |  Overcast Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | SW 6 kph (SW 3.5 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KSJC 111153Z AUTO 23003KT 1 3/4SM BR OVC004 06/05 A2993 RMK AO2 RAE41 CIG 002V006 SLP135 P0001 60022 70043 T00560050 10067 20056 50001 |
| 03:38 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | SW 7 kph (SW 4.6 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KSJC 111138Z AUTO 23004KT 1 3/4SM -RA BR OVC004 06/05 A2993 RMK AO2 CIG 002V008 P0001 |
| 03:24 PST |  Overcast Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | SSW 7 kph (SSW 4.6 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KSJC 111124Z AUTO 24004KT 1 3/4SM BR FEW002 BKN006 OVC010 06/05 A2993 RMK AO2 RAE20 CIG 003V008 P0001 |
| 03:22 PST |  Overcast Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | SW 9 kph (SW 5.8 mph) | 0.25 mm (0.01 in) | 2SM |
| | KSJC 111122Z AUTO 23005KT 2SM BR BKN004 OVC010 06/05 A2994 RMK AO2 RAE20 CIG 002V008 P0001 |
| 03:18 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | SW 7 kph (SW 4.6 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KSJC 111118Z AUTO 23004KT 1 3/4SM -RA BR SCT004 BKN007 OVC010 06/05 A2994 RMK AO2 P0001 |
| 03:06 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | Calm | 0.25 mm (0.01 in) | 1 3/4SM |
| | KSJC 111106Z AUTO 00000KT 1 3/4SM -RA BR SCT004 BKN010 OVC014 06/05 A2993 RMK AO2 CIG 007V012 P0001 |
| 02:53 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | SW 6 kph (SW 3.5 mph) | 0.51 mm (0.02 in) | 2SM |
| | KSJC 111053Z AUTO 22003KT 2SM -RA BR BKN004 OVC009 06/05 A2994 RMK AO2 SLP138 P0002 T00560050 |
| 02:42 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | Calm | 0.51 mm (0.02 in) | 2SM |
| | KSJC 111042Z AUTO 00000KT 2SM -RA BR BKN004 BKN015 OVC033 06/05 A2994 RMK AO2 P0002 |
| 02:26 PST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1014 mb (29.94 in) | Calm | 0.51 mm (0.02 in) | 2 1/2SM |
| | KSJC 111026Z AUTO 00000KT 2 1/2SM -RA BR FEW004 BKN015 OVC032 06/04 A2994 RMK AO2 P0002 |
| 02:15 PST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1014 mb (29.94 in) | Calm | 0.25 mm (0.01 in) | 3SM |
| | KSJC 111015Z AUTO 00000KT 3SM -RA BR SCT010 BKN015 OVC032 06/04 A2993 RMK AO2 P0001 |
| 02:04 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | Calm | 0.25 mm (0.01 in) | 2 1/2SM |
| | KSJC 111004Z AUTO 00000KT 2 1/2SM -RA BR FEW003 OVC010 06/05 A2993 RMK AO2 CIG 008V013 P0001 |
| 01:53 PST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1014 mb (29.94 in) | SSW 7 kph (SSW 4.6 mph) | 0.51 mm (0.02 in) | 4SM |
| | KSJC 110953Z AUTO 25004KT 4SM -RA BR OVC008 06/04 A2993 RMK AO2 CIG 007V013 SLP135 P0002 T00560044 |
| 01:33 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1014 mb (29.94 in) | SSW 7 kph (SSW 4.6 mph) | 0.51 mm (0.02 in) | 3SM |
| | KSJC 110933Z AUTO 24004KT 3SM -RA BR OVC006 06/05 A2993 RMK AO2 CIG 004V009 P0002 |
| 01:13 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1013 mb (29.91 in) | SSW 6 kph (SSW 3.5 mph) | 0.25 mm (0.01 in) | 3SM |
| | KSJC 110913Z AUTO 26003KT 3SM -RA BR OVC004 06/05 A2992 RMK AO2 P0001 |
| 01:02 PST |  Overcast Light Rain | 6°C / 43°F | 6°C / 43°F | 100% | 1014 mb (29.94 in) | SSW 6 kph (SSW 3.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KSJC 110902Z AUTO 26003KT 2 1/2SM -RA BR OVC004 06/06 A2993 RMK AO2 CIG 003V008 P0001 |
| 00:53 PST |  Overcast Light Rain | 6°C / 43°F | 6°C / 43°F | 100% | 1014 mb (29.94 in) | SSW 6 kph (SSW 3.5 mph) | 0.76 mm (0.03 in) | 2 1/2SM |
| | KSJC 110853Z AUTO 24003KT 2 1/2SM -RA BR OVC007 06/06 A2993 RMK AO2 CIG 003V009 SLP134 P0003 60017 T00610056 56010 |
| 00:50 PST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | Calm | 0.76 mm (0.03 in) | 2 1/2SM |
| | KSJC 110850Z AUTO 00000KT 2 1/2SM -RA BR OVC007 07/06 A2993 RMK AO2 CIG 003V009 P0003 |
| 00:34 PST |  Overcast Light Rain | 6°C / 43°F | 6°C / 43°F | 100% | 1014 mb (29.94 in) | SSW 6 kph (SSW 3.5 mph) | 0.51 mm (0.02 in) | 3SM |
| | KSJC 110834Z AUTO 24003KT 3SM -RA BR OVC007 06/06 A2993 RMK AO2 P0002 |
| 00:06 PST |  Overcast Light Rain | 6°C / 43°F | 6°C / 43°F | 100% | 1014 mb (29.94 in) | SSW 6 kph (SSW 3.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KSJC 110806Z AUTO 24003KT 2 1/2SM -RA BR OVC005 06/06 A2994 RMK AO2 P0001 |