| 13:54 EST |  Partly Cloudy | 13°C / 55°F | 8°C / 46°F | 72% | 991 mb (29.26 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KPHL 091854Z 22010G19KT 10SM FEW019 SCT250 13/08 A2927 RMK AO2 PRESFR SLP912 T01280078 |
| 12:54 EST |  Mostly Cloudy | 12°C / 54°F | 8°C / 46°F | 77% | 993 mb (29.32 in) | SW 24 kph (SW 15 mph) | - | 10SM |
| | KPHL 091754Z 23013KT 10SM SCT017 SCT100 BKN250 12/08 A2933 RMK AO2 SLP931 60057 T01220083 10139 20089 58022 |
| 12:11 EST |  Mostly Cloudy | 12°C / 54°F | 8°C / 46°F | 77% | 994 mb (29.35 in) | SW 32 kph (SW 19.6 mph) | - | 10SM |
| | KPHL 091711Z 23017G25KT 10SM SCT017 BKN100 BKN250 12/08 A2936 RMK AO2 |
| 11:54 EST |  Mostly Cloudy | 12°C / 54°F | 9°C / 48°F | 82% | 995 mb (29.38 in) | SW 28 kph (SW 17.3 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPHL 091654Z 22015G22KT 10SM BKN017 BKN100 BKN250 12/09 A2937 RMK AO2 SLP946 P0001 T01220094 |
| 10:54 EST |  Overcast | 13°C / 55°F | 11°C / 52°F | 88% | 995 mb (29.38 in) | SW 28 kph (SW 17.3 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPHL 091554Z 22015KT 10SM FEW010 BKN016 OVC100 13/11 A2939 RMK AO2 SLP951 P0001 T01330106 |
| 10:48 EST |  Overcast | 13°C / 55°F | 11°C / 52°F | 88% | 995 mb (29.38 in) | SW 32 kph (SW 19.6 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPHL 091548Z 22017G22KT 10SM FEW010 BKN016 OVC100 13/11 A2939 RMK AO2 P0001 |
| 10:18 EST |  Overcast | 12°C / 54°F | 11°C / 52°F | 94% | 997 mb (29.44 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KPHL 091518Z 23011KT 10SM SCT006 BKN010 OVC017 12/11 A2943 RMK AO2 |
| 09:54 EST |  Overcast | 12°C / 54°F | 11°C / 52°F | 94% | 997 mb (29.44 in) | SSW 15 kph (SSW 9.2 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPHL 091454Z 24008KT 10SM BKN008 OVC011 12/11 A2943 RMK AO2 RAE29 SLP964 P0001 60057 T01170111 56055 |
| 09:52 EST |  Overcast | 12°C / 54°F | 11°C / 52°F | 94% | 997 mb (29.44 in) | SSW 19 kph (SSW 11.5 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPHL 091452Z 25010KT 10SM BKN008 OVC011 12/11 A2943 RMK AO2 RAE29 P0001 |
| 09:23 EST |  Overcast Light Rain | 12°C / 54°F | 11°C / 52°F | 94% | 997 mb (29.44 in) | Variable 11 kph (Variable 6.9 mph) | 0.25 mm (0.01 in) | 10SM |
| | KPHL 091423Z VRB06KT 10SM -RA FEW008 BKN011 OVC021 12/11 A2943 RMK AO2 P0001 |
| 09:08 EST |  Overcast Light Rain | 11°C / 52°F | 9°C / 48°F | 88% | 997 mb (29.44 in) | Calm | 0.00 mm (0.00 in) | 6SM |
| | KPHL 091408Z 00000KT 6SM -RA BR FEW008 BKN014 OVC021 11/09 A2943 RMK AO2 P0000 |
| 09:01 EST |  Overcast Light Rain | 11°C / 52°F | 9°C / 48°F | 88% | 997 mb (29.44 in) | Variable 6 kph (Variable 3.5 mph) | 0.00 mm (0.00 in) | 8SM |
| | KPHL 091401Z VRB03KT 8SM -RA FEW008 BKN014 OVC021 11/09 A2943 RMK AO2 P0000 |
| 08:54 EST |  Overcast Light Rain | 11°C / 52°F | 9°C / 48°F | 88% | 997 mb (29.44 in) | Calm | 3.81 mm (0.15 in) | 10SM |
| | KPHL 091354Z 00000KT 10SM -RA SCT008 BKN018 OVC024 11/09 A2943 RMK AO2 SLP966 WSHFT 30 P0015 T01060094 |
| 08:49 EST |  Overcast Light Rain | 11°C / 52°F | 9°C / 48°F | 88% | 997 mb (29.44 in) | E 24 kph (E 15 mph) | 3.81 mm (0.15 in) | 10SM |
| | KPHL 091349Z 09013KT 10SM -RA SCT008 BKN018 OVC024 11/09 A2943 RMK AO2 WSHFT 30 P0015 |
| 08:35 EST |  Overcast Light Rain | 10°C / 50°F | 9°C / 48°F | 94% | 997 mb (29.44 in) | ENE 17 kph (ENE 10.4 mph) | 3.56 mm (0.14 in) | 7SM |
| | KPHL 091335Z 07009G17KT 7SM -RA SCT006 BKN016 OVC022 10/09 A2944 RMK AO2 WSHFT 30 P0014 |
| 08:33 EST |  Overcast Rain | 10°C / 50°F | 9°C / 48°F | 94% | 997 mb (29.44 in) | NE 15 kph (NE 9.2 mph) | 3.56 mm (0.14 in) | 5SM |
| | KPHL 091333Z 05008G17KT 5SM RA BR SCT006 BKN016 OVC022 10/09 A2944 RMK AO2 WSHFT 30 P0014 |
| 08:26 EST |  Overcast Rain | 9°C / 48°F | 9°C / 48°F | 100% | 998 mb (29.47 in) | Variable 11 kph (Variable 6.9 mph) | 3.30 mm (0.13 in) | 4SM |
| | KPHL 091326Z VRB06G19KT 4SM RA BR FEW006 BKN012 OVC031 09/09 A2946 RMK AO2 WSHFT 23 P0013 |
| 08:18 EST |  Overcast Rain | 9°C / 48°F | 9°C / 48°F | 100% | 998 mb (29.47 in) | NE 32 kph (NE 19.6 mph) | 2.79 mm (0.11 in) | 4SM |
| | KPHL 091318Z 05017KT 4SM RA BR FEW006 BKN012 OVC031 09/09 A2946 RMK AO2 PRESFR P0011 |
| 08:13 EST |  Overcast Rain | 9°C / 48°F | 9°C / 48°F | 100% | 998 mb (29.47 in) | ENE 17 kph (ENE 10.4 mph) | 2.54 mm (0.10 in) | 3SM |
| | KPHL 091313Z 07009KT 3SM RA BR BKN012 BKN022 OVC031 09/09 A2946 RMK AO2 PRESFR P0010 |
| 08:06 EST |  Overcast Heavy Rain | 9°C / 48°F | 9°C / 48°F | 100% | 999 mb (29.5 in) | E 17 kph (E 10.4 mph) | 2.03 mm (0.08 in) | 3SM |
| | KPHL 091306Z 08009G17KT 3SM +RA BR SCT012 BKN025 OVC034 09/09 A2949 RMK AO2 P0008 $ |
| 07:54 EST |  Overcast Heavy Rain | 9°C / 48°F | 8°C / 46°F | 94% | 998 mb (29.47 in) | ENE 24 kph (ENE 15 mph) | 10.41 mm (0.41 in) | 2SM |
| | KPHL 091254Z 07013G18KT 2SM +RA BR SCT011 BKN028 OVC041 09/08 A2948 RMK AO2 PRESFR SLP983 P0041 T00940083 $ |
| 07:50 EST |  Overcast Heavy Rain | 9°C / 48°F | 8°C / 46°F | 94% | 999 mb (29.5 in) | ENE 20 kph (ENE 12.7 mph) | 9.65 mm (0.38 in) | 2 1/2SM |
| | KPHL 091250Z 07011G18KT 2 1/2SM +RA BR SCT011 BKN028 OVC044 09/08 A2950 RMK AO2 PRESFR P0038 $ |
| 07:37 EST |  Overcast Rain | 9°C / 48°F | 8°C / 46°F | 94% | 999 mb (29.5 in) | E 28 kph (E 17.3 mph) | 7.87 mm (0.31 in) | 3SM |
| | KPHL 091237Z 09015KT 3SM RA BR SCT011 BKN028 OVC044 09/08 A2951 RMK AO2 PRESFR P0031 $ |
| 07:32 EST |  Overcast Heavy Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1000 mb (29.53 in) | E 26 kph (E 16.1 mph) | 6.60 mm (0.26 in) | 2SM |
| | KPHL 091232Z 10014G25KT 2SM +RA BR SCT011 BKN020 OVC044 09/08 A2954 RMK AO2 P0026 $ |
| 07:26 EST |  Overcast Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1001 mb (29.56 in) | E 33 kph (E 20.7 mph) | 6.10 mm (0.24 in) | 3SM |
| | KPHL 091226Z 09018G25KT 3SM RA BR SCT011 BKN020 OVC044 09/08 A2955 RMK AO2 P0024 $ |
| 07:11 EST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1001 mb (29.56 in) | E 30 kph (E 18.4 mph) | 3.56 mm (0.14 in) | 2 1/2SM |
| | KPHL 091211Z 08016G22KT 2 1/2SM BR SCT010 BKN016 OVC023 09/08 A2956 RMK AO2 RAEMM P0014 $ |
| 07:07 EST |  Overcast Heavy Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1001 mb (29.56 in) | E 33 kph (E 20.7 mph) | 2.79 mm (0.11 in) | 3SM |
| | KPHL 091207Z 09018G22KT 3SM +RA BR BKN013 BKN016 OVC023 09/08 A2956 RMK AO2 PRESFR P0011 $ |
| 06:59 EST |  Overcast Heavy Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1002 mb (29.59 in) | E 22 kph (E 13.8 mph) | 0.76 mm (0.03 in) | 4SM |
| | KPHL 091159Z 10012KT 4SM +RA BR SCT010 BKN016 OVC023 09/08 A2958 RMK AO2 VIS 2 1/2 W P0003 $ |
| 06:54 EST |  Overcast Heavy Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1002 mb (29.59 in) | E 20 kph (E 12.7 mph) | 13.46 mm (0.53 in) | 4SM |
| | KPHL 091154Z 09011G22KT 4SM +RA BR BKN013 OVC019 09/08 A2959 RMK AO2 SLP019 P0053 60150 70154 T00890078 10089 20033 56081 $ |
| 06:34 EST |  Overcast Heavy Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1003 mb (29.62 in) | E 24 kph (E 15 mph) | 9.40 mm (0.37 in) | 4SM |
| | KPHL 091134Z 09013G21KT 4SM +RA BR FEW009 BKN013 OVC019 09/08 A2961 RMK AO2 P0037 $ |
| 06:20 EST |  Overcast Heavy Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1003 mb (29.62 in) | E 28 kph (E 17.3 mph) | 6.35 mm (0.25 in) | 3SM |
| | KPHL 091120Z 08015G23KT 3SM +RA BR BKN010 OVC017 08/07 A2962 RMK AO2 P0025 $ |
| 06:04 EST |  Overcast Heavy Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1004 mb (29.65 in) | ENE 20 kph (ENE 12.7 mph) | 2.54 mm (0.10 in) | 2 1/2SM |
| | KPHL 091104Z 07011G20KT 2 1/2SM +RA BR BKN010 OVC017 08/07 A2965 RMK AO2 PRESFR P0010 $ |
| 05:54 EST |  Overcast Heavy Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1005 mb (29.68 in) | E 24 kph (E 15 mph) | 8.89 mm (0.35 in) | 4SM |
| | KPHL 091054Z 09013G20KT 4SM +RA BR BKN012 OVC017 08/07 A2968 RMK AO2 SLP049 P0035 T00830072 $ |
| 04:54 EST |  Overcast Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1007 mb (29.74 in) | E 28 kph (E 17.3 mph) | 4.32 mm (0.17 in) | 4SM |
| | KPHL 090954Z 09015G23KT 4SM RA BR BKN011 BKN023 OVC028 07/06 A2973 RMK AO2 SLP067 P0017 T00720061 $ |
| 03:56 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1010 mb (29.83 in) | ENE 20 kph (ENE 12.7 mph) | 0.25 mm (0.01 in) | 4SM |
| | KPHL 090856Z 07011KT 4SM -RA BR BKN011 BKN023 OVC028 05/04 A2982 RMK AO2 PRESFR P0001 $ |
| 03:54 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1010 mb (29.83 in) | ENE 20 kph (ENE 12.7 mph) | 4.32 mm (0.17 in) | 5SM |
| | KPHL 090854Z 06011KT 5SM -RA BR FEW020 SCT032 OVC037 05/04 A2983 RMK AO2 PRESFR SLP100 P0017 60045 T00500044 58059 $ |
| 02:54 EST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1014 mb (29.94 in) | NE 17 kph (NE 10.4 mph) | 3.81 mm (0.15 in) | 5SM |
| | KPHL 090754Z 05009KT 5SM -RA BR FEW021 SCT030 OVC035 04/03 A2995 RMK AO2 SLP142 P0015 T00390033 $ |
| 02:50 EST |  Overcast Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1015 mb (29.97 in) | NE 17 kph (NE 10.4 mph) | 3.56 mm (0.14 in) | 5SM |
| | KPHL 090750Z 05009KT 5SM RA BR FEW021 BKN032 OVC044 04/03 A2996 RMK AO2 P0014 $ |
| 01:54 EST |  Overcast Light Rain | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | ENE 17 kph (ENE 10.4 mph) | 3.30 mm (0.13 in) | 6SM |
| | KPHL 090654Z 07009KT 6SM -RA BR OVC025 04/02 A3000 RMK AO2 SLP160 P0013 T00390022 $ |
| 01:04 EST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1018 mb (30.06 in) | ENE 17 kph (ENE 10.4 mph) | 0.25 mm (0.01 in) | 6SM |
| | KPHL 090604Z 06009KT 6SM -RA BR OVC025 03/01 A3005 RMK AO2 PRESFR P0001 $ |
| 01:01 EST |  Overcast Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1018 mb (30.06 in) | ENE 15 kph (ENE 9.2 mph) | 0.25 mm (0.01 in) | 7SM |
| | KPHL 090601Z 07008KT 7SM RA OVC025 03/01 A3006 RMK AO2 PRESFR P0001 $ |
| 00:54 EST |  Overcast Light Rain | 4°C / 39°F | 1°C / 34°F | 81% | 1018 mb (30.06 in) | ENE 17 kph (ENE 10.4 mph) | 1.02 mm (0.04 in) | 10SM |
| | KPHL 090554Z 07009KT 10SM -RA OVC025 04/01 A3007 RMK AO2 RAB06 PRESFR SLP182 P0004 60004 T00390006 10050 20039 58049 $ |
| 00:38 EST |  Overcast Light Rain | 4°C / 39°F | 0°C / 32°F | 75% | 1019 mb (30.09 in) | E 15 kph (E 9.2 mph) | 0.51 mm (0.02 in) | 10SM |
| | KPHL 090538Z 08008KT 10SM -RA BKN027 OVC037 04/00 A3010 RMK AO2 RAB06 P0002 $ |