| 05:55 EST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1015 mb (29.97 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KPHN 151055Z AUTO 30010KT 10SM OVC006 00/00 A2998 RMK AO2 |
| 05:37 EST |  Overcast Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 1015 mb (29.97 in) | WNW 13 kph (WNW 8.1 mph) | - | 5SM |
| | KPHN 151037Z AUTO 29007KT 5SM BR OVC004 00/00 A2997 RMK AO2 |
| 05:17 EST |  Overcast Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 1015 mb (29.97 in) | WNW 15 kph (WNW 9.2 mph) | - | 4SM |
| | KPHN 151017Z AUTO 29008KT 4SM BR OVC004 00/00 A2997 RMK AO2 |
| 04:55 EST |  Overcast Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 1015 mb (29.97 in) | WNW 15 kph (WNW 9.2 mph) | - | 5SM |
| | KPHN 150955Z AUTO 29008KT 5SM BR OVC004 00/00 A2996 RMK AO2 |
| 04:37 EST |  Overcast Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 1014 mb (29.94 in) | WNW 15 kph (WNW 9.2 mph) | - | 5SM |
| | KPHN 150937Z AUTO 29008KT 5SM BR OVC004 00/00 A2995 RMK AO2 |
| 04:17 EST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1014 mb (29.94 in) | W 15 kph (W 9.2 mph) | - | 7SM |
| | KPHN 150917Z AUTO 28008KT 7SM OVC004 00/00 A2995 RMK AO2 |
| 03:55 EST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1014 mb (29.94 in) | W 11 kph (W 6.9 mph) | - | 7SM |
| | KPHN 150855Z AUTO 28006KT 7SM OVC004 00/00 A2994 RMK AO2 |
| 03:37 EST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1014 mb (29.94 in) | W 13 kph (W 8.1 mph) | - | 7SM |
| | KPHN 150837Z AUTO 28007KT 7SM OVC006 00/00 A2994 RMK AO2 |
| 03:17 EST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1014 mb (29.94 in) | WNW 13 kph (WNW 8.1 mph) | - | 7SM |
| | KPHN 150817Z AUTO 29007KT 7SM OVC006 00/00 A2994 RMK AO2 |
| 02:55 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1014 mb (29.94 in) | W 9 kph (W 5.8 mph) | - | 7SM |
| | KPHN 150755Z AUTO 27005KT 7SM OVC008 01/00 A2993 RMK AO2 |
| 02:37 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1013 mb (29.91 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KPHN 150737Z AUTO 26003KT 10SM OVC008 01/00 A2992 RMK AO2 |
| 02:17 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1013 mb (29.91 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KPHN 150717Z AUTO 27005KT 10SM OVC010 01/00 A2991 RMK AO2 |
| 01:55 EST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1013 mb (29.91 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KPHN 150655Z AUTO 26004KT 10SM OVC012 00/00 A2990 RMK AO2 |
| 01:37 EST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1012 mb (29.88 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KPHN 150637Z AUTO 28005KT 10SM OVC010 00/00 A2989 RMK AO2 |
| 01:17 EST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1012 mb (29.88 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KPHN 150617Z AUTO 28005KT 10SM OVC010 00/00 A2988 RMK AO2 |
| 00:55 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1012 mb (29.88 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KPHN 150555Z AUTO 28008KT 10SM OVC008 01/00 A2987 RMK AO2 |
| 00:37 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1011 mb (29.85 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KPHN 150537Z AUTO 31007KT 10SM OVC006 01/00 A2986 RMK AO2 |
| 00:17 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1011 mb (29.85 in) | WNW 19 kph (WNW 11.5 mph) | - | 7SM |
| | KPHN 150517Z AUTO 29010KT 7SM OVC006 01/00 A2986 RMK AO2 |