| 03:55 EST |  Clear Fog And Mist | -3°C / 27°F | -5°C / 23°F | 86% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KPHN 080855Z AUTO 00000KT 5SM BR CLR M03/M05 A3027 RMK AO2 |
| 03:37 EST |  Partly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KPHN 080837Z AUTO 00000KT 7SM SCT040 M02/M04 A3028 RMK AO2 |
| 03:17 EST |  Mostly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KPHN 080817Z AUTO 00000KT 7SM BKN040 M01/M03 A3028 RMK AO2 |
| 02:55 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KPHN 080755Z AUTO 00000KT 7SM OVC040 M01/M03 A3028 RMK AO2 |
| 02:37 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KPHN 080737Z AUTO 00000KT 7SM OVC040 M01/M03 A3028 RMK AO2 |
| 02:17 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KPHN 080717Z AUTO 00000KT 7SM OVC040 M01/M03 A3028 RMK AO2 |
| 01:55 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPHN 080655Z AUTO 00000KT 10SM OVC040 M01/M03 A3027 RMK AO2 |
| 01:37 EST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KPHN 080637Z AUTO 00000KT 7SM OVC040 M01/M04 A3027 RMK AO2 |
| 01:17 EST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPHN 080617Z AUTO 00000KT 10SM OVC040 M01/M04 A3027 RMK AO2 |
| 00:55 EST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1025 mb (30.27 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KPHN 080555Z AUTO 22003KT 10SM OVC040 00/M04 A3027 RMK AO2 |
| 00:37 EST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPHN 080537Z AUTO 00000KT 10SM OVC040 M01/M04 A3027 RMK AO2 |
| 00:17 EST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1025 mb (30.27 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KPHN 080517Z AUTO 22003KT 10SM OVC038 00/M04 A3026 RMK AO2 |