| 08:53 PST |  Mostly Cloudy | 5°C / 41°F | 3°C / 37°F | 87% | 1005 mb (29.68 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KSJC 071653Z 25004KT 10SM FEW005 SCT014 BKN022 05/03 A2969 RMK AO2 SLP054 T00500033 |
| 08:48 PST |  Mostly Cloudy | 5°C / 41°F | 3°C / 37°F | 87% | 1005 mb (29.68 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSJC 071648Z 22004KT 10SM FEW005 SCT014 BKN022 05/03 A2969 RMK AO2 |
| 07:53 PST |  Mostly Cloudy | 4°C / 39°F | 3°C / 37°F | 93% | 1005 mb (29.68 in) | Variable 6 kph (Variable 3.5 mph) | 0.25 mm (0.01 in) | 10SM |
| | KSJC 071553Z VRB03KT 10SM FEW003 SCT014 BKN060 04/03 A2969 RMK AO2 RAE51 SLP053 P0001 T00440033 |
| 06:53 PST |  Overcast Light Rain | 5°C / 41°F | 2°C / 36°F | 81% | 1006 mb (29.71 in) | NNW 7 kph (NNW 4.6 mph) | 1.02 mm (0.04 in) | 10SM |
| | KSJC 071453Z 33004KT 10SM -RA FEW006 BKN019 OVC028 05/02 A2970 RMK AO2 SLP058 P0004 60017 T00500022 53004 |
| 06:11 PST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | NW 11 kph (NW 6.9 mph) | 0.25 mm (0.01 in) | 9SM |
| | KSJC 071411Z 31006KT 9SM -RA FEW006 BKN019 OVC028 04/04 A2971 RMK AO2 P0001 |
| 05:53 PST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1006 mb (29.71 in) | WNW 13 kph (WNW 8.1 mph) | 1.78 mm (0.07 in) | 10SM |
| | KSJC 071353Z 29007KT 10SM -RA FEW006 BKN014 OVC028 04/03 A2970 RMK AO2 SLP056 P0007 T00440033 |
| 05:29 PST |  Overcast Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | SSW 15 kph (SSW 9.2 mph) | 1.27 mm (0.05 in) | 6SM |
| | KSJC 071329Z 26008KT 6SM RA BR FEW006 BKN014 OVC028 04/04 A2970 RMK AO2 P0005 |
| 05:10 PST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1006 mb (29.71 in) | WNW 17 kph (WNW 10.4 mph) | 0.51 mm (0.02 in) | 7SM |
| | KSJC 071310Z 29009KT 7SM RA FEW006 SCT014 OVC028 05/04 A2970 RMK AO2 P0002 |
| 05:00 PST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1005 mb (29.68 in) | W 15 kph (W 9.2 mph) | 0.25 mm (0.01 in) | 6SM |
| | KSJC 071300Z AUTO 27008KT 6SM RA BR SCT006 SCT014 OVC028 05/04 A2969 RMK AO2 P0001 |
| 04:53 PST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1005 mb (29.68 in) | SSW 19 kph (SSW 11.5 mph) | 1.52 mm (0.06 in) | 5SM |
| | KSJC 071253Z AUTO 26010KT 5SM RA BR SCT006 BKN013 OVC039 05/04 A2969 RMK AO2 SLP054 P0006 T00500039 |
| 04:49 PST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1005 mb (29.68 in) | W 17 kph (W 10.4 mph) | 1.27 mm (0.05 in) | 5SM |
| | KSJC 071249Z AUTO 27009KT 5SM RA BR BKN006 BKN013 OVC028 05/04 A2969 RMK AO2 P0005 |
| 04:40 PST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1006 mb (29.71 in) | W 22 kph (W 13.8 mph) | 1.02 mm (0.04 in) | 5SM |
| | KSJC 071240Z AUTO 27012KT 5SM RA BR SCT006 BKN013 OVC028 05/04 A2970 RMK AO2 P0004 |
| 04:30 PST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1005 mb (29.68 in) | W 20 kph (W 12.7 mph) | 0.51 mm (0.02 in) | 5SM |
| | KSJC 071230Z AUTO 28011KT 5SM RA BR SCT006 BKN015 OVC025 05/04 A2969 RMK AO2 P0002 |
| 04:22 PST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1005 mb (29.68 in) | WNW 19 kph (WNW 11.5 mph) | 0.25 mm (0.01 in) | 5SM |
| | KSJC 071222Z AUTO 29010KT 5SM -RA BR SCT006 BKN013 OVC023 05/04 A2969 RMK AO2 P0001 |
| 04:04 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1005 mb (29.68 in) | WNW 22 kph (WNW 13.8 mph) | 0.00 mm (0.00 in) | 6SM |
| | KSJC 071204Z AUTO 29012KT 6SM -RA BR BKN006 BKN014 OVC025 06/05 A2969 RMK AO2 CIG 005V011 P0000 |
| 03:53 PST |  Overcast Light Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1005 mb (29.68 in) | SSW 20 kph (SSW 12.7 mph) | 1.27 mm (0.05 in) | 7SM |
| | KSJC 071153Z AUTO 26011G17KT 7SM -RA FEW006 BKN010 OVC034 06/05 A2969 RMK AO2 SLP053 P0005 60021 70021 T00610050 10089 20061 58013 |
| 03:48 PST |  Overcast Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1005 mb (29.68 in) | SSW 22 kph (SSW 13.8 mph) | 1.27 mm (0.05 in) | 6SM |
| | KSJC 071148Z AUTO 25012G17KT 6SM RA BR FEW006 BKN025 OVC034 07/06 A2969 RMK AO2 P0005 |
| 02:53 PST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1006 mb (29.71 in) | ESE 15 kph (ESE 9.2 mph) | 2.03 mm (0.08 in) | 8SM |
| | KSJC 071053Z AUTO 11008KT 8SM -RA BKN037 OVC050 07/06 A2970 RMK AO2 SLP056 P0008 T00720056 |
| 02:28 PST |  Overcast Light Rain | 7°C / 45°F | 5°C / 41°F | 87% | 1006 mb (29.71 in) | ESE 13 kph (ESE 8.1 mph) | 1.27 mm (0.05 in) | 8SM |
| | KSJC 071028Z AUTO 11007KT 8SM -RA FEW022 SCT029 OVC039 07/05 A2971 RMK AO2 P0005 |
| 01:53 PST |  Overcast Light Rain | 7°C / 45°F | 5°C / 41°F | 87% | 1006 mb (29.71 in) | SE 11 kph (SE 6.9 mph) | 1.52 mm (0.06 in) | 10SM |
| | KSJC 070953Z AUTO 13006KT 10SM -RA BKN022 BKN028 OVC035 07/05 A2972 RMK AO2 SLP065 P0006 T00720050 |
| 00:53 PST |  Overcast Light Rain | 8°C / 46°F | 4°C / 39°F | 76% | 1007 mb (29.74 in) | SE 13 kph (SE 8.1 mph) | 0.51 mm (0.02 in) | 9SM |
| | KSJC 070853Z AUTO 12007KT 9SM -RA FEW027 BKN035 OVC046 08/04 A2973 RMK AO2 RAB11 SLP067 P0002 60002 T00780044 57014 |