| 08:02 EST |  Overcast Fog And Mist | 8°C / 46°F | 8°C / 46°F | 100% | 1014 mb (29.94 in) | Calm | - | 3/4SM |
| | KNHK 261302Z AUTO 00000KT 3/4SM BR OVC003 08/08 A2993 RMK AO2 |
| 07:52 EST |  Overcast Fog | 8°C / 46°F | 7°C / 45°F | 93% | 1014 mb (29.94 in) | Calm | - | 1/4SM |
| | KNHK 261252Z AUTO 00000KT 1/4SM FG OVC001 08/07 A2993 RMK AO2 SLP133 T00780072 |
| 07:38 EST |  Overcast Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 3/4SM |
| | KNHK 261238Z AUTO 00000KT 3/4SM BR OVC001 07/07 A2992 RMK AO2 |
| 07:31 EST |  Overcast Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1/2SM |
| | KNHK 261231Z AUTO 00000KT 1/2SM FG OVC001 07/07 A2992 RMK AO2 |
| 07:10 EST |  Obscured Fog | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 1/4SM |
| | KNHK 261210Z AUTO 00000KT 1/4SM FG VV001 07/06 A2991 RMK AO2 |
| 06:52 EST |  Obscured Fog | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 1/2SM |
| | KNHK 261152Z AUTO 00000KT 1/2SM FG VV001 07/06 A2991 RMK AO2 SLP128 70008 T00670061 10089 20061 56003 |
| 06:41 EST |  Obscured Fog | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 1/4SM |
| | KNHK 261141Z AUTO 00000KT 1/4SM FG VV001 07/06 A2991 RMK AO2 |
| 06:28 EST |  Obscured Fog | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 1/2SM |
| | KNHK 261128Z AUTO 00000KT 1/2SM FG VV001 07/06 A2991 RMK AO2 |
| 06:14 EST |  Obscured Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1SM |
| | KNHK 261114Z AUTO 00000KT 1SM BR VV001 07/07 A2991 RMK AO2 VIS 1/4 RY24 |
| 06:05 EST |  Obscured Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1/2SM |
| | KNHK 261105Z AUTO 00000KT 1/2SM FG VV001 07/07 A2991 RMK AO2 |
| 05:52 EST |  Obscured Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1/4SM |
| | KNHK 261052Z AUTO 00000KT 1/4SM FG VV001 07/07 A2991 RMK AO2 SLP129 T00720072 |
| 05:17 EST |  Obscured Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1/4SM |
| | KNHK 261017Z AUTO 00000KT 1/4SM FG VV001 07/07 A2992 RMK AO2 |
| 05:08 EST |  Obscured Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1/2SM |
| | KNHK 261008Z AUTO 00000KT 1/2SM FG VV001 07/07 A2992 RMK AO2 |
| 04:57 EST |  Obscured Fog And Mist | 6°C / 43°F | 6°C / 43°F | 100% | 1013 mb (29.91 in) | Calm | - | 1SM |
| | KNHK 260957Z AUTO 00000KT 1SM BR VV001 06/06 A2991 RMK AO2 |
| 04:52 EST |  Partly Cloudy Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 1 1/2SM |
| | KNHK 260952Z AUTO 00000KT 1 1/2SM BR FEW001 07/06 A2991 RMK AO2 SLP130 T00670061 |
| 04:45 EST |  Partly Cloudy Fog And Mist | 8°C / 46°F | 7°C / 45°F | 93% | 1013 mb (29.91 in) | Calm | - | 3SM |
| | KNHK 260945Z AUTO 00000KT 3SM BR SCT001 08/07 A2991 RMK AO2 VIS 1/2 RY24 |
| 04:41 EST |  Mostly Cloudy Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | SSE 6 kph (SSE 3.5 mph) | - | 2SM |
| | KNHK 260941Z AUTO 15003KT 2SM BR BKN001 07/07 A2991 RMK AO2 VIS 1/2 RY24 |
| 04:34 EST |  Obscured Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1SM |
| | KNHK 260934Z AUTO 00000KT 1SM BR VV001 07/07 A2991 RMK AO2 VIS 1/2V1 3/4 |
| 04:29 EST |  Obscured Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1/2SM |
| | KNHK 260929Z AUTO 00000KT 1/2SM FG VV001 07/07 A2991 RMK AO2 |
| 04:18 EST |  Obscured Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 3/4SM |
| | KNHK 260918Z AUTO 00000KT 3/4SM BR VV001 07/07 A2991 RMK AO2 |
| 04:11 EST |  Obscured Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1013 mb (29.91 in) | Calm | - | 1/2SM |
| | KNHK 260911Z AUTO 00000KT 1/2SM FG VV001 07/07 A2991 RMK AO2 |
| 04:01 EST |  Obscured Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 3/4SM |
| | KNHK 260901Z AUTO 00000KT 3/4SM BR VV001 07/06 A2992 RMK AO2 |
| 03:57 EST |  Clear Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 1 1/4SM |
| | KNHK 260857Z AUTO 00000KT 1 1/4SM BR CLR 07/06 A2992 RMK AO2 |
| 03:52 EST |  Clear Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1013 mb (29.91 in) | Calm | - | 2 1/2SM |
| | KNHK 260852Z AUTO 00000KT 2 1/2SM BR CLR 07/06 A2992 RMK AO2 VIS 3/4 RY24 SLP131 T00670061 58003 |
| 02:55 EST |  Partly Cloudy Fog And Mist | 8°C / 46°F | 8°C / 46°F | 100% | 1014 mb (29.94 in) | SE 6 kph (SE 3.5 mph) | - | 3SM |
| | KNHK 260755Z AUTO 12003KT 3SM BR FEW001 08/08 A2993 RMK AO2 VIS 2 RY24 |
| 02:52 EST |  Partly Cloudy Fog And Mist | 8°C / 46°F | 8°C / 46°F | 100% | 1014 mb (29.94 in) | SE 6 kph (SE 3.5 mph) | - | 1 1/2SM |
| | KNHK 260752Z AUTO 12003KT 1 1/2SM BR FEW001 08/08 A2993 RMK AO2 SLP135 T00830078 |
| 02:50 EST |  Obscured Fog And Mist | 8°C / 46°F | 8°C / 46°F | 100% | 1014 mb (29.94 in) | ESE 6 kph (ESE 3.5 mph) | - | 1SM |
| | KNHK 260750Z AUTO 11003KT 1SM BR VV001 08/08 A2993 RMK AO2 |
| 02:43 EST |  Obscured Fog | 7°C / 45°F | 7°C / 45°F | 100% | 1014 mb (29.94 in) | Calm | - | 1/2SM |
| | KNHK 260743Z AUTO 00000KT 1/2SM FG VV001 07/07 A2993 RMK AO2 |
| 02:37 EST |  Obscured Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1014 mb (29.94 in) | Calm | - | 1SM |
| | KNHK 260737Z AUTO 00000KT 1SM BR VV001 07/07 A2993 RMK AO2 |
| 02:34 EST |  Clear Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1014 mb (29.94 in) | Calm | - | 1 3/4SM |
| | KNHK 260734Z AUTO 00000KT 1 3/4SM BR CLR 07/07 A2993 RMK AO2 |
| 01:52 EST |  Clear | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | SW 6 kph (SW 3.5 mph) | - | 8SM |
| | KNHK 260652Z AUTO 22003KT 8SM CLR 07/06 A2994 RMK AO2 VIS 1 RY24 SLP137 T00670061 |
| 01:33 EST |  Clear Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1014 mb (29.94 in) | Calm | - | 6SM |
| | KNHK 260633Z AUTO 00000KT 6SM BR CLR 07/07 A2993 RMK AO2 VIS 1 RY24 |
| 01:25 EST |  Clear Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | SW 6 kph (SW 3.5 mph) | - | 2SM |
| | KNHK 260625Z AUTO 21003KT 2SM BR CLR 07/06 A2993 RMK AO2 VIS 3/4 RY24 CIG 001 RY24 |
| 01:17 EST |  Clear Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | SW 6 kph (SW 3.5 mph) | - | 1SM |
| | KNHK 260617Z AUTO 21003KT 1SM BR CLR 07/06 A2993 RMK AO2 |
| 01:08 EST |  Clear Fog And Mist | 6°C / 43°F | 6°C / 43°F | 100% | 1014 mb (29.94 in) | SW 6 kph (SW 3.5 mph) | - | 1 3/4SM |
| | KNHK 260608Z AUTO 22003KT 1 3/4SM BR CLR 06/06 A2993 RMK AO2 VIS 1 RY24 CIG 001 RY24 |
| 00:52 EST |  Clear Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1014 mb (29.94 in) | SSE 6 kph (SSE 3.5 mph) | - | 6SM |
| | KNHK 260552Z AUTO 20003KT 6SM BR CLR 07/07 A2993 RMK AO2 VIS 1 1/2 RY24 CIG 001 RY24 SLP134 T00670067 10100 20067 58010 |