| 18:56 EST |  Obscured Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1014 mb (29.94 in) | ESE 7 kph (ESE 4.6 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KHPN 252356Z 11004KT 1 1/2SM BR VV002 09/08 A2995 RMK AO2 RAE05 SLP145 P0000 60000 T00890078 10089 20089 50002 |
| 17:56 EST |  Obscured Light Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 1 1/2SM |
| | KHPN 252256Z 00000KT 1 1/2SM -RA BR VV002 09/08 A2996 RMK AO2 RAB46 SLP148 P0000 T00890078 |
| 16:56 EST |  Obscured Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1014 mb (29.94 in) | ESE 11 kph (ESE 6.9 mph) | - | 3/4SM |
| | KHPN 252156Z 11006KT 3/4SM BR VV004 09/08 A2994 RMK AO2 SLP142 T00890078 |
| 15:56 EST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1014 mb (29.94 in) | E 9 kph (E 5.8 mph) | - | 3/4SM |
| | KHPN 252056Z 10005KT 3/4SM BR BKN004 OVC007 09/08 A2994 RMK AO2 SLP142 60000 T00890078 58017 |
| 14:56 EST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1015 mb (29.97 in) | SE 7 kph (SE 4.6 mph) | - | 1SM |
| | KHPN 251956Z 13004KT 1SM BR BKN004 OVC006 09/08 A2997 RMK AO2 SLP150 T00890078 |
| 13:56 EST |  Obscured Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1015 mb (29.97 in) | S 7 kph (S 4.6 mph) | 0.00 mm (0.00 in) | 1SM |
| | KHPN 251856Z 18004KT 1SM BR VV003 09/08 A2997 RMK AO2 RAB05E22 SLP152 P0000 T00890078 |
| 12:56 EST |  Obscured Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1016 mb (30 in) | ESE 6 kph (ESE 3.5 mph) | - | 1 1/4SM |
| | KHPN 251756Z 11003KT 1 1/4SM BR VV003 09/08 A2999 RMK AO2 SLP159 T00890078 10089 20083 58020 |
| 11:56 EST |  Obscured Fog And Mist | 9°C / 48°F | 7°C / 45°F | 87% | 1016 mb (30 in) | E 7 kph (E 4.6 mph) | - | 1 1/2SM |
| | KHPN 251656Z 10004KT 1 1/2SM BR VV004 09/07 A3001 RMK AO2 SFC VIS 3 SLP165 T00890072 |
| 11:28 EST |  Obscured Fog And Mist | 9°C / 48°F | 7°C / 45°F | 87% | 1017 mb (30.03 in) | E 7 kph (E 4.6 mph) | - | 1 1/2SM |
| | KHPN 251628Z 10004KT 1 1/2SM BR VV004 09/07 A3003 RMK AO2 SFC VIS 3 |
| 10:56 EST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1018 mb (30.06 in) | ESE 6 kph (ESE 3.5 mph) | - | 8SM |
| | KHPN 251556Z 11003KT 8SM OVC006 09/07 A3005 RMK AO2 SLP177 T00890067 |
| 09:56 EST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1018 mb (30.06 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KHPN 251456Z 07006KT 10SM OVC006 09/07 A3005 RMK AO2 SLP181 T00890067 58009 |
| 08:56 EST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1018 mb (30.06 in) | E 11 kph (E 6.9 mph) | - | 9SM |
| | KHPN 251356Z 09006KT 9SM OVC006 08/07 A3007 RMK AO2 SLP185 T00830067 |
| 07:56 EST |  Obscured Fog And Mist | 8°C / 46°F | 7°C / 45°F | 93% | 1019 mb (30.09 in) | Variable 6 kph (Variable 3.5 mph) | - | 5SM |
| | KHPN 251256Z VRB03KT 5SM BR VV005 08/07 A3008 RMK AO2 SLP191 T00830067 |
| 06:56 EST |  Overcast | 8°C / 46°F | 6°C / 43°F | 87% | 1019 mb (30.09 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KHPN 251156Z 04003KT 10SM OVC006 08/06 A3008 RMK AO2 SLP190 T00830061 10094 20083 55003 |
| 05:56 EST |  Overcast | 8°C / 46°F | 6°C / 43°F | 87% | 1019 mb (30.09 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KHPN 251056Z 04003KT 10SM OVC007 08/06 A3008 RMK AO2 SLP188 T00830061 |
| 04:56 EST |  Overcast | 9°C / 48°F | 6°C / 43°F | 82% | 1018 mb (30.06 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KHPN 250956Z 06005KT 10SM OVC010 09/06 A3007 RMK AO2 SLP186 T00890061 |
| 03:56 EST |  Overcast | 9°C / 48°F | 6°C / 43°F | 82% | 1019 mb (30.09 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KHPN 250856Z 03005KT 10SM OVC010 09/06 A3009 RMK AO2 SLP191 T00940061 56008 |
| 02:56 EST |  Overcast | 9°C / 48°F | 6°C / 43°F | 82% | 1019 mb (30.09 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KHPN 250756Z 08004KT 10SM OVC010 09/06 A3009 RMK AO2 SLP192 T00940061 |
| 01:56 EST |  Overcast | 9°C / 48°F | 6°C / 43°F | 82% | 1019 mb (30.09 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KHPN 250656Z 06003KT 10SM OVC010 09/06 A3010 RMK AO2 SLP195 T00940061 |
| 00:56 EST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1020 mb (30.12 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KHPN 250556Z 04004KT 10SM OVC010 09/07 A3011 RMK AO2 SLP198 T00940067 10094 20083 58008 |