| 01:55 EST |  Clear | 5°C / 41°F | 3°C / 37°F | 87% | 992 mb (29.29 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KSFZ 100655Z 24008KT 200V260 10SM CLR 05/03 A2929 RMK AO1 |
| 01:35 EST |  Clear | 4°C / 39°F | 3°C / 37°F | 93% | 992 mb (29.29 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KSFZ 100635Z 25006KT 10SM CLR 04/03 A2928 RMK AO1 |
| 01:15 EST |  Clear | 5°C / 41°F | 3°C / 37°F | 87% | 991 mb (29.26 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KSFZ 100615Z 26007KT 10SM CLR 05/03 A2926 RMK AO1 |
| 00:55 EST |  Clear | 5°C / 41°F | 3°C / 37°F | 87% | 991 mb (29.26 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KSFZ 100555Z 26009KT 10SM CLR 05/03 A2925 RMK AO1 60001 10060 20020 52003 |
| 00:35 EST |  Clear | 5°C / 41°F | 3°C / 37°F | 87% | 991 mb (29.26 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KSFZ 100535Z 26007KT 10SM CLR 05/03 A2925 RMK AO1 |
| 00:15 EST |  Clear | 4°C / 39°F | 3°C / 37°F | 93% | 991 mb (29.26 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KSFZ 100515Z 25007KT 10SM CLR 04/03 A2925 RMK AO1 |