| 18:54 EST |  Mostly Cloudy | 7°C / 45°F | -4°C / 25°F | 46% | 1002 mb (29.59 in) | WNW 35 kph (WNW 21.9 mph) | - | 10SM |
| | KPHL 272354Z 29019G28KT 10SM FEW070 BKN250 07/M04 A2959 RMK AO2 PK WND 27028/2349 SLP018 T00721044 10089 20072 53012 |
| 17:54 EST |  Mostly Cloudy | 8°C / 46°F | -3°C / 27°F | 46% | 1001 mb (29.56 in) | WNW 30 kph (WNW 18.4 mph) | - | 10SM |
| | KPHL 272254Z 29016G21KT 10SM BKN050 BKN070 08/M03 A2957 RMK AO2 PK WND 30027/2211 SLP013 T00831028 |
| 16:54 EST |  Mostly Cloudy | 8°C / 46°F | -1°C / 30°F | 53% | 1001 mb (29.56 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KPHL 272154Z 29009KT 10SM BKN050 BKN070 08/M01 A2956 RMK AO2 PK WND 32027/2056 SLP011 T00831006 |
| 15:54 EST |  Mostly Cloudy | 8°C / 46°F | -1°C / 30°F | 53% | 1001 mb (29.56 in) | NW 39 kph (NW 24.2 mph) | - | 10SM |
| | KPHL 272054Z 30021G28KT 10SM SCT035 BKN060 BKN250 08/M01 A2955 RMK AO2 PK WND 32033/2004 SLP006 T00831011 53014 |
| 14:54 EST |  Overcast | 9°C / 48°F | -2°C / 28°F | 46% | 1000 mb (29.53 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KPHL 271954Z 31017G23KT 10SM FEW035 BKN046 BKN080 OVC259 09/M02 A2953 RMK AO2 PK WND 34031/1942 SLP998 T00891017 |
| 13:54 EST |  Overcast | 8°C / 46°F | -2°C / 28°F | 50% | 999 mb (29.5 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KPHL 271854Z 32015G27KT 10SM FEW030 BKN048 OVC250 08/M02 A2951 RMK AO2 PK WND 31027/1848 SLP991 T00831017 |
| 12:54 EST |  Overcast | 8°C / 46°F | -2°C / 28°F | 50% | 999 mb (29.5 in) | NW 39 kph (NW 24.2 mph) | - | 10SM |
| | KPHL 271754Z 32021G32KT 10SM FEW030 BKN055 BKN080 OVC250 08/M02 A2951 RMK AO2 PK WND 33032/1750 SLP993 60000 T00781022 10083 20061 56014 |
| 11:54 EST |  Overcast | 7°C / 45°F | -2°C / 28°F | 53% | 1000 mb (29.53 in) | NNW 30 kph (NNW 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPHL 271654Z 33016G26KT 10SM FEW030 BKN055 BKN080 OVC250 07/M02 A2952 RMK AO2 PK WND 29026/1647 RAB28E49 SLP997 P0000 T00721017 |
| 10:54 EST |  Mostly Cloudy | 8°C / 46°F | -1°C / 30°F | 53% | 1000 mb (29.53 in) | NW 30 kph (NW 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPHL 271554Z 31016G26KT 10SM FEW030 BKN060 BKN080 BKN250 08/M01 A2953 RMK AO2 PK WND 30028/1533 RAB1455E14 SLP001 P0000 T00781011 |
| 09:54 EST |  Overcast | 7°C / 45°F | -1°C / 30°F | 57% | 1001 mb (29.56 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KPHL 271454Z 30012KT 10SM FEW026 OVC060 07/M01 A2955 RMK AO2 SLP007 T00671006 58005 |
| 08:54 EST |  Overcast | 6°C / 43°F | 0°C / 32°F | 66% | 1001 mb (29.56 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KPHL 271354Z 30011G20KT 10SM FEW025 BKN055 BKN120 OVC250 06/00 A2957 RMK AO2 PK WND 33026/1334 SLP011 T00610000 |
| 07:54 EST |  Mostly Cloudy | 7°C / 45°F | 1°C / 34°F | 66% | 1001 mb (29.56 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KPHL 271254Z 31011G22KT 10SM FEW025 BKN047 BKN100 BKN250 07/01 A2957 RMK AO2 SLP013 T00670011 |
| 06:54 EST |  Overcast | 7°C / 45°F | 2°C / 36°F | 71% | 1001 mb (29.56 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KPHL 271154Z 31015G23KT 10SM FEW025 BKN045 OVC080 07/02 A2957 RMK AO2 SLP012 60000 T00670017 10106 20067 56006 |
| 05:54 EST |  Overcast | 7°C / 45°F | 3°C / 37°F | 76% | 1001 mb (29.56 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KPHL 271054Z 32017G23KT 10SM BKN039 OVC075 07/03 A2957 RMK AO2 PK WND 34028/1010 SLP014 T00720028 |
| 04:54 EST |  Overcast | 8°C / 46°F | 3°C / 37°F | 71% | 1002 mb (29.59 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KPHL 270954Z 32016KT 10SM BKN035 OVC070 08/03 A2958 RMK AO2 PK WND 33027/0918 SLP014 T00780028 |
| 04:26 EST |  Overcast | 8°C / 46°F | 3°C / 37°F | 71% | 1002 mb (29.59 in) | NNW 33 kph (NNW 20.7 mph) | - | 10SM |
| | KPHL 270926Z 33018G27KT 10SM FEW016 OVC031 08/03 A2958 RMK AO2 PK WND 33027/0918 |
| 03:54 EST |  Overcast | 8°C / 46°F | 4°C / 39°F | 76% | 1002 mb (29.59 in) | NNW 30 kph (NNW 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPHL 270854Z 34016G22KT 10SM FEW015 OVC025 08/04 A2959 RMK AO2 PK WND 33026/0824 RAB01E48 SLP018 P0000 60000 T00780039 56013 |
| 03:28 EST |  Overcast Light Rain | 8°C / 46°F | 4°C / 39°F | 76% | 1002 mb (29.59 in) | NNW 33 kph (NNW 20.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPHL 270828Z 33018G26KT 10SM -RA FEW012 OVC021 08/04 A2959 RMK AO2 PK WND 33026/0824 RAB01 P0000 |
| 03:05 EST |  Overcast Light Rain | 9°C / 48°F | 5°C / 41°F | 76% | 1002 mb (29.59 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPHL 270805Z 32017G25KT 10SM -RA SCT012 BKN018 OVC025 09/05 A2959 RMK AO2 RAB01 P0000 |
| 02:54 EST |  Overcast | 10°C / 50°F | 7°C / 45°F | 82% | 1002 mb (29.59 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KPHL 270754Z 32016G22KT 10SM SCT012 OVC023 10/07 A2959 RMK AO2 SLP021 T01000072 |
| 01:54 EST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1003 mb (29.62 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KPHL 270654Z 35003KT 10SM FEW021 BKN027 OVC080 10/08 A2961 RMK AO2 SLP025 T01000078 |
| 00:54 EST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1003 mb (29.62 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KPHL 270554Z 33004KT 10SM SCT017 BKN023 OVC080 10/08 A2962 RMK AO2 SLP031 T01000078 10117 20100 56024 |
| 00:46 EST |  Overcast | 11°C / 52°F | 8°C / 46°F | 82% | 1003 mb (29.62 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KPHL 270546Z 33006KT 10SM SCT017 BKN023 OVC080 11/08 A2963 RMK AO2 |
| 00:38 EST |  Overcast | 11°C / 52°F | 8°C / 46°F | 82% | 1003 mb (29.62 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KPHL 270538Z 31006KT 10SM BKN017 OVC023 11/08 A2963 RMK AO2 |