| 05:15 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1008 mb (29.77 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KSFZ 291015Z 29010KT 10SM CLR 04/M01 A2978 RMK AO1 |
| 04:55 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1008 mb (29.77 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KSFZ 290955Z 29010KT 10SM CLR 04/M01 A2978 RMK AO1 |
| 04:35 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1008 mb (29.77 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KSFZ 290935Z 29009KT 10SM CLR 04/M01 A2978 RMK AO1 |
| 04:15 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1008 mb (29.77 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KSFZ 290915Z 27005KT 10SM CLR 04/M01 A2977 RMK AO1 |
| 03:55 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1008 mb (29.77 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KSFZ 290855Z 27006KT 10SM CLR 04/M01 A2977 RMK AO1 52017 |
| 03:35 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1008 mb (29.77 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KSFZ 290835Z 27006KT 10SM CLR 04/M01 A2977 RMK AO1 |
| 03:15 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1008 mb (29.77 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KSFZ 290815Z 26006KT 10SM CLR 04/M01 A2976 RMK AO1 |
| 02:55 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1008 mb (29.77 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KSFZ 290755Z 26006KT 10SM CLR 04/M01 A2976 RMK AO1 |
| 02:35 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1007 mb (29.74 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KSFZ 290735Z 27006KT 10SM CLR 04/M01 A2975 RMK AO1 |
| 02:15 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1007 mb (29.74 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KSFZ 290715Z 32005KT 10SM CLR 04/M01 A2974 RMK AO1 |
| 01:55 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1007 mb (29.74 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSFZ 290655Z 30007KT 10SM CLR 04/M01 A2974 RMK AO1 |
| 01:35 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1007 mb (29.74 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSFZ 290635Z 30006KT 10SM CLR 04/M01 A2973 RMK AO1 |
| 01:15 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1006 mb (29.71 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KSFZ 290615Z 28008KT 10SM CLR 04/M01 A2972 RMK AO1 |
| 00:55 EST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1006 mb (29.71 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KSFZ 290555Z 28007KT 10SM CLR 05/M01 A2972 RMK AO1 10060 20050 52014 |
| 00:35 EST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1006 mb (29.71 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KSFZ 290535Z 28008KT 10SM CLR 05/M01 A2972 RMK AO1 |
| 00:15 EST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1006 mb (29.71 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KSFZ 290515Z 28008KT 10SM CLR 05/M01 A2971 RMK AO1 |