| 11:17 EST |  Partly Cloudy Fog And Mist | 6°C / 43°F | 5°C / 41°F | 93% | 1006 mb (29.71 in) | SW 7 kph (SW 4.6 mph) | - | 5SM |
| | KPHN 291617Z AUTO 21004KT 5SM BR SCT007 06/05 A2970 RMK AO2 |
| 10:55 EST |  Clear Fog And Mist | 5°C / 41°F | 5°C / 41°F | 100% | 1006 mb (29.71 in) | S 15 kph (S 9.2 mph) | - | 4SM |
| | KPHN 291555Z AUTO 17008KT 4SM BR CLR 05/05 A2971 RMK AO2 |
| 10:37 EST |  Clear Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | S 7 kph (S 4.6 mph) | - | 4SM |
| | KPHN 291537Z AUTO 17004KT 4SM BR CLR 04/04 A2971 RMK AO2 |
| 10:17 EST |  Clear Fog And Mist | 3°C / 37°F | 3°C / 37°F | 100% | 1007 mb (29.74 in) | S 9 kph (S 5.8 mph) | - | 2 1/2SM |
| | KPHN 291517Z AUTO 19005KT 2 1/2SM BR CLR 03/03 A2974 RMK AO2 |
| 09:55 EST |  Clear Fog And Mist | 2°C / 36°F | 2°C / 36°F | 100% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | - | 2SM |
| | KPHN 291455Z AUTO 20003KT 2SM BR CLR 02/02 A2974 RMK AO2 |
| 09:37 EST |  Obscured Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1007 mb (29.74 in) | Calm | - | 1 1/2SM |
| | KPHN 291437Z AUTO 00000KT 1 1/2SM BR VV007 01/01 A2973 RMK AO2 |
| 09:17 EST |  Obscured Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 1007 mb (29.74 in) | Calm | - | 1 1/2SM |
| | KPHN 291417Z AUTO 00000KT 1 1/2SM BR VV007 00/00 A2975 RMK AO2 |
| 08:55 EST |  Partly Cloudy Fog And Mist | -1°C / 30°F | -1°C / 30°F | 100% | 1007 mb (29.74 in) | Calm | - | 1 1/2SM |
| | KPHN 291355Z AUTO 00000KT 1 1/2SM BR SCT001 M01/M01 A2975 RMK AO2 |
| 08:37 EST |  Overcast Fog | -1°C / 30°F | -1°C / 30°F | 100% | 1008 mb (29.77 in) | Calm | - | 1/4SM |
| | KPHN 291337Z AUTO 00000KT 1/4SM FZFG OVC001 M01/M01 A2976 RMK AO2 |
| 08:17 EST |  Overcast Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1007 mb (29.74 in) | Calm | - | M1/4SM |
| | KPHN 291317Z AUTO 00000KT M1/4SM FZFG OVC001 M02/M03 A2975 RMK AO2 |
| 07:55 EST |  Overcast Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | M1/4SM |
| | KPHN 291255Z AUTO 00000KT M1/4SM FZFG OVC001 M02/M03 A2977 RMK AO2 |
| 07:37 EST |  Overcast Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | M1/4SM |
| | KPHN 291237Z AUTO 00000KT M1/4SM FZFG OVC001 M02/M03 A2976 RMK AO2 |
| 07:17 EST |  Overcast Fog | -2°C / 28°F | -2°C / 28°F | 100% | 1008 mb (29.77 in) | Calm | - | 1/4SM |
| | KPHN 291217Z AUTO 00000KT 1/4SM FZFG OVC001 M02/M02 A2977 RMK AO2 |
| 06:55 EST |  Overcast Fog | -1°C / 30°F | -1°C / 30°F | 100% | 1008 mb (29.77 in) | SSE 6 kph (SSE 3.5 mph) | - | 1/4SM |
| | KPHN 291155Z AUTO 20003KT 1/4SM FZFG OVC001 M01/M01 A2977 RMK AO2 |
| 06:37 EST |  Overcast Fog | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | S 7 kph (S 4.6 mph) | - | 1/4SM |
| | KPHN 291137Z AUTO 19004KT 1/4SM FZFG OVC001 M01/M02 A2977 RMK AO2 |
| 06:17 EST |  Mostly Cloudy Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | S 7 kph (S 4.6 mph) | - | 1SM |
| | KPHN 291117Z AUTO 19004KT 1SM BR BKN001 M01/M02 A2977 RMK AO2 |
| 05:55 EST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1008 mb (29.77 in) | S 6 kph (S 3.5 mph) | - | 4SM |
| | KPHN 291055Z AUTO 19003KT 4SM BR SCT001 M03/M04 A2977 RMK AO2 |
| 05:37 EST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1008 mb (29.77 in) | Calm | - | 3SM |
| | KPHN 291037Z AUTO 00000KT 3SM BR SCT001 M03/M04 A2977 RMK AO2 |
| 05:17 EST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1008 mb (29.77 in) | Calm | - | 3SM |
| | KPHN 291017Z AUTO 00000KT 3SM BR CLR M03/M04 A2978 RMK AO2 |
| 04:55 EST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1008 mb (29.77 in) | Calm | - | 4SM |
| | KPHN 290955Z AUTO 00000KT 4SM BR SCT001 SCT026 M03/M03 A2978 RMK AO2 |
| 04:37 EST |  Overcast Fog | -3°C / 27°F | -3°C / 27°F | 100% | 1008 mb (29.77 in) | Calm | - | 1/4SM |
| | KPHN 290937Z AUTO 00000KT 1/4SM FZFG OVC001 M03/M03 A2978 RMK AO2 |
| 04:17 EST |  Overcast Fog | -3°C / 27°F | -3°C / 27°F | 100% | 1008 mb (29.77 in) | Calm | - | 1/2SM |
| | KPHN 290917Z AUTO 00000KT 1/2SM FZFG OVC001 M03/M03 A2978 RMK AO2 |
| 03:55 EST |  Overcast Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 1/4SM |
| | KPHN 290855Z AUTO 00000KT 1/4SM FZFG OVC001 M02/M03 A2978 RMK AO2 |
| 03:37 EST |  Overcast Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 1/4SM |
| | KPHN 290837Z AUTO 00000KT 1/4SM FZFG OVC001 M02/M03 A2978 RMK AO2 |
| 03:17 EST |  Overcast Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 1/2SM |
| | KPHN 290817Z AUTO 00000KT 1/2SM FZFG OVC001 M02/M03 A2978 RMK AO2 |
| 02:55 EST |  Overcast Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1008 mb (29.77 in) | Calm | - | 1 3/4SM |
| | KPHN 290755Z AUTO 00000KT 1 3/4SM BR BKN001 OVC029 M03/M03 A2978 RMK AO2 |
| 02:37 EST |  Partly Cloudy Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1009 mb (29.8 in) | Calm | - | 4SM |
| | KPHN 290737Z AUTO 00000KT 4SM BR SCT001 SCT029 M02/M03 A2979 RMK AO2 |
| 02:17 EST |  Clear Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1009 mb (29.8 in) | Calm | - | 4SM |
| | KPHN 290717Z AUTO 00000KT 4SM BR CLR M03/M03 A2979 RMK AO2 |
| 01:55 EST |  Clear Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1009 mb (29.8 in) | Calm | - | 3SM |
| | KPHN 290655Z AUTO 00000KT 3SM BR CLR M03/M03 A2979 RMK AO2 |
| 01:37 EST |  Clear Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1009 mb (29.8 in) | Calm | - | 5SM |
| | KPHN 290637Z AUTO 00000KT 5SM BR CLR M02/M02 A2979 RMK AO2 |
| 01:17 EST |  Clear Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1009 mb (29.8 in) | Calm | - | 3SM |
| | KPHN 290617Z AUTO 00000KT 3SM BR CLR M03/M03 A2979 RMK AO2 |
| 00:55 EST |  Clear Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1009 mb (29.8 in) | Calm | - | 3SM |
| | KPHN 290555Z AUTO 00000KT 3SM BR CLR M02/M02 A2979 RMK AO2 |
| 00:37 EST |  Clear Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1009 mb (29.8 in) | Calm | - | 4SM |
| | KPHN 290537Z AUTO 00000KT 4SM BR CLR M02/M03 A2979 RMK AO2 |
| 00:17 EST |  Clear Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1009 mb (29.8 in) | Calm | - | 2 1/2SM |
| | KPHN 290517Z AUTO 00000KT 2 1/2SM BR CLR M02/M03 A2979 RMK AO2 |