| 10:35 EST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1026 mb (30.3 in) | NNE 20 kph (NNE 12.7 mph) | - | 10SM |
| | KSFZ 241535Z 02011G16KT 10SM OVC017 01/M03 A3030 RMK AO1 |
| 10:15 EST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1026 mb (30.3 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KSFZ 241515Z 01008KT 10SM BKN017 OVC034 01/M03 A3029 RMK AO1 |
| 09:55 EST |  Overcast | 0°C / 32°F | -3°C / 27°F | 80% | 1025 mb (30.27 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KSFZ 241455Z 36011G16KT 10SM BKN017 OVC034 00/M03 A3028 RMK AO1 52034 |
| 09:35 EST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1025 mb (30.27 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KSFZ 241435Z 36010KT 10SM BKN017 OVC036 00/M04 A3027 RMK AO1 |
| 09:15 EST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1025 mb (30.27 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KSFZ 241415Z 35010KT 10SM BKN019 OVC036 M01/M04 A3027 RMK AO1 |
| 08:55 EST |  Overcast | -1°C / 30°F | -5°C / 23°F | 75% | 1024 mb (30.24 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KSFZ 241355Z 35009KT 10SM OVC019 M01/M05 A3025 RMK AO1 |
| 08:35 EST |  Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1024 mb (30.24 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KSFZ 241335Z 36009KT 10SM OVC019 M02/M06 A3023 RMK AO1 |
| 08:15 EST |  Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1023 mb (30.21 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KSFZ 241315Z 36007KT 10SM OVC021 M02/M06 A3022 RMK AO1 |
| 07:55 EST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1023 mb (30.21 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KSFZ 241255Z 01008KT 10SM OVC021 M03/M07 A3020 RMK AO1 |
| 07:35 EST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1023 mb (30.21 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KSFZ 241235Z 34008KT 10SM OVC021 M03/M06 A3020 RMK AO1 |
| 07:15 EST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KSFZ 241215Z 33007KT 10SM BKN021 OVC026 M03/M08 A3019 RMK AO1 |
| 06:55 EST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1022 mb (30.18 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KSFZ 241155Z 33007KT 10SM OVC023 M03/M07 A3018 RMK AO1 11030 21080 52027 |
| 06:35 EST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1022 mb (30.18 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KSFZ 241135Z 33008KT 10SM OVC025 M03/M07 A3017 RMK AO1 |
| 06:15 EST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1021 mb (30.15 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KSFZ 241115Z 33008KT 10SM OVC023 M03/M07 A3016 RMK AO1 |
| 05:55 EST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1021 mb (30.15 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KSFZ 241055Z 35010KT 10SM OVC020 M03/M07 A3015 RMK AO1 |
| 05:35 EST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1021 mb (30.15 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KSFZ 241035Z 35013G16KT 10SM OVC020 M03/M07 A3014 RMK AO1 |
| 05:15 EST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1020 mb (30.12 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KSFZ 241015Z 33008KT 10SM OVC020 M04/M08 A3013 RMK AO1 |
| 04:55 EST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1020 mb (30.12 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KSFZ 240955Z 33008KT 10SM OVC020 M04/M09 A3012 RMK AO1 |
| 04:35 EST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1020 mb (30.12 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KSFZ 240935Z 33009KT 10SM OVC022 M04/M09 A3011 RMK AO1 |
| 04:15 EST |  Overcast | -5°C / 23°F | -9°C / 16°F | 74% | 1019 mb (30.09 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KSFZ 240915Z 33008KT 10SM OVC024 M05/M09 A3010 RMK AO1 |
| 03:55 EST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1019 mb (30.09 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSFZ 240855Z 32007KT 10SM OVC024 M06/M10 A3010 RMK AO1 52014 |
| 03:35 EST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1019 mb (30.09 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSFZ 240835Z 32007KT 10SM OVC022 M06/M11 A3009 RMK AO1 |
| 03:15 EST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1019 mb (30.09 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSFZ 240815Z 32007KT 10SM OVC022 M06/M11 A3009 RMK AO1 |
| 02:55 EST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1019 mb (30.09 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSFZ 240755Z 32006KT 10SM OVC022 M06/M11 A3008 RMK AO1 |
| 02:35 EST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1019 mb (30.09 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KSFZ 240735Z 32008KT 10SM OVC022 M07/M11 A3008 RMK AO1 |
| 02:15 EST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1019 mb (30.09 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSFZ 240715Z 31006KT 10SM OVC022 M07/M12 A3008 RMK AO1 |
| 01:55 EST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1018 mb (30.06 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSFZ 240655Z 31007KT 10SM OVC020 M07/M12 A3007 RMK AO1 |
| 01:35 EST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1018 mb (30.06 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KSFZ 240635Z 32008KT 10SM OVC020 M07/M12 A3006 RMK AO1 |
| 01:15 EST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1018 mb (30.06 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSFZ 240615Z 32007KT 10SM SCT022 OVC028 M08/M13 A3006 RMK AO1 |
| 00:55 EST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSFZ 240555Z 32006KT 10SM OVC028 M08/M13 A3006 RMK AO1 11080 21100 52003 |
| 00:35 EST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1018 mb (30.06 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSFZ 240535Z 32007KT 10SM OVC028 M08/M13 A3005 RMK AO1 |
| 00:15 EST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSFZ 240515Z 31006KT 10SM OVC030 M09/M13 A3006 RMK AO1 |