| 18:56 EST |  Clear | 9°C / 48°F | 4°C / 39°F | 71% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KHPN 292356Z 00000KT 10SM CLR 09/04 A2979 RMK AO2 SLP093 T00940039 10133 20089 58006 |
| 17:56 EST |  Clear | 9°C / 48°F | 2°C / 36°F | 62% | 1009 mb (29.8 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KHPN 292256Z 16004KT 10SM CLR 09/02 A2980 RMK AO2 SLP094 T00940017 |
| 16:56 EST |  Clear | 10°C / 50°F | 1°C / 34°F | 54% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KHPN 292156Z 00000KT 10SM CLR 10/01 A2980 RMK AO2 SLP097 T01000006 |
| 15:56 EST |  Clear | 12°C / 54°F | 0°C / 32°F | 44% | 1009 mb (29.8 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KHPN 292056Z 18004KT 10SM CLR 12/00 A2981 RMK AO2 SLP097 T01220000 56015 |
| 14:56 EST |  Clear | 13°C / 55°F | -1°C / 30°F | 38% | 1010 mb (29.83 in) | Variable 11 kph (Variable 6.9 mph) | - | 10SM |
| | KHPN 291956Z VRB06KT 10SM CLR 13/M01 A2982 RMK AO2 SLP099 T01331006 |
| 13:56 EST |  Clear | 13°C / 55°F | -1°C / 30°F | 38% | 1010 mb (29.83 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KHPN 291856Z 20007KT 160V240 10SM CLR 13/M01 A2983 RMK AO2 SLP105 T01281011 |
| 12:56 EST |  Clear | 13°C / 55°F | -2°C / 28°F | 36% | 1011 mb (29.85 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KHPN 291756Z 25005KT 10SM CLR 13/M02 A2985 RMK AO2 SLP112 T01281017 10128 20017 58021 |
| 11:56 EST |  Clear | 12°C / 54°F | -3°C / 27°F | 35% | 1012 mb (29.88 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KHPN 291656Z 24006KT 10SM CLR 12/M03 A2987 RMK AO2 SLP118 T01171028 |
| 10:56 EST |  Clear | 10°C / 50°F | -2°C / 28°F | 43% | 1013 mb (29.91 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KHPN 291556Z 21007KT 10SM CLR 10/M02 A2990 RMK AO2 SLP127 T01001017 |
| 09:56 EST |  Clear | 8°C / 46°F | -2°C / 28°F | 50% | 1013 mb (29.91 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KHPN 291456Z 27004KT 10SM CLR 08/M02 A2992 RMK AO2 SLP134 T00831017 50002 |
| 08:56 EST |  Clear | 6°C / 43°F | -2°C / 28°F | 57% | 1013 mb (29.91 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KHPN 291356Z VRB04KT 10SM CLR 06/M02 A2992 RMK AO2 SLP136 T00561022 |
| 07:56 EST |  Clear | 3°C / 37°F | -2°C / 28°F | 70% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KHPN 291256Z 00000KT 10SM CLR 03/M02 A2991 RMK AO2 SLP132 T00281017 |
| 06:56 EST |  Clear | 2°C / 36°F | -2°C / 28°F | 75% | 1013 mb (29.91 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KHPN 291156Z 24003KT 10SM CLR 02/M02 A2991 RMK AO2 SLP133 T00171022 10056 20011 53010 |
| 05:56 EST |  Partly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KHPN 291056Z 00000KT 10SM FEW100 02/M02 A2990 RMK AO2 SLP129 T00221022 |
| 04:56 EST |  Partly Cloudy | 3°C / 37°F | -2°C / 28°F | 70% | 1012 mb (29.88 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KHPN 290956Z 25004KT 10SM FEW100 03/M02 A2988 RMK AO2 SLP124 T00281017 |
| 03:56 EST |  Partly Cloudy | 3°C / 37°F | -2°C / 28°F | 70% | 1012 mb (29.88 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KHPN 290856Z VRB03KT 10SM FEW100 03/M02 A2988 RMK AO2 SLP122 T00331017 51013 |
| 02:56 EST |  Partly Cloudy | 3°C / 37°F | -2°C / 28°F | 70% | 1012 mb (29.88 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KHPN 290756Z 23003KT 10SM SCT100 03/M02 A2987 RMK AO2 SLP119 T00331017 |
| 01:56 EST |  Clear | 5°C / 41°F | -2°C / 28°F | 61% | 1011 mb (29.85 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KHPN 290656Z 25005KT 10SM CLR 05/M02 A2986 RMK AO2 SLP117 T00501022 |
| 00:56 EST |  Clear | 5°C / 41°F | -2°C / 28°F | 61% | 1010 mb (29.83 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KHPN 290556Z AUTO 28007KT 10SM CLR 05/M02 A2984 RMK AO2 SLP108 T00501022 10067 20050 51011 TSNO |