| 13:54 EST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KPSF 251854Z AUTO 00000KT 10SM CLR M01/M04 A3031 RMK AO2 SLP282 T10061044 |
| 12:54 EST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1027 mb (30.33 in) | Calm | - | 9SM |
| | KPSF 251754Z AUTO 00000KT 9SM CLR M02/M04 A3033 RMK AO2 SLP293 T10221039 11022 21089 58025 |
| 11:54 EST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1028 mb (30.36 in) | SSW 6 kph (SSW 3.5 mph) | - | 8SM |
| | KPSF 251654Z AUTO 24003KT 8SM CLR M04/M06 A3037 RMK AO2 SLP305 T10391056 |
| 10:54 EST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1029 mb (30.39 in) | Calm | - | 8SM |
| | KPSF 251554Z AUTO 00000KT 8SM CLR M04/M06 A3038 RMK AO2 SLP310 T10441061 |
| 09:54 EST |  Clear Fog And Mist | -5°C / 23°F | -7°C / 19°F | 86% | 1030 mb (30.42 in) | Calm | - | 6SM |
| | KPSF 251454Z AUTO 00000KT 6SM BR CLR M05/M07 A3041 RMK AO2 SLP319 T10501067 53005 |
| 08:54 EST |  Clear Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1029 mb (30.39 in) | Calm | - | 5SM |
| | KPSF 251354Z AUTO 00000KT 5SM BR CLR M08/M09 A3038 RMK AO2 SLP310 T10781094 |
| 08:35 EST |  Partly Cloudy Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1029 mb (30.39 in) | SSW 6 kph (SSW 3.5 mph) | - | 4SM |
| | KPSF 251335Z AUTO 25003KT 4SM BR SCT001 M09/M11 A3038 RMK AO2 |
| 08:26 EST |  Mostly Cloudy Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1028 mb (30.36 in) | Calm | - | 3SM |
| | KPSF 251326Z AUTO 00000KT 3SM BR BKN001 M09/M11 A3037 RMK AO2 |
| 08:17 EST |  Overcast Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1028 mb (30.36 in) | Calm | - | 2 1/2SM |
| | KPSF 251317Z AUTO 00000KT 2 1/2SM BR OVC001 M09/M11 A3037 RMK AO2 |
| 08:06 EST |  Overcast Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1028 mb (30.36 in) | Calm | - | 1 1/4SM |
| | KPSF 251306Z AUTO 00000KT 1 1/4SM BR OVC001 M09/M10 A3037 RMK AO2 |
| 07:54 EST |  Overcast Fog | -9°C / 16°F | -10°C / 14°F | 93% | 1028 mb (30.36 in) | Calm | - | 1/2SM |
| | KPSF 251254Z AUTO 00000KT 1/2SM FZFG OVC001 M09/M10 A3037 RMK AO2 SLP307 T10891100 |
| 07:41 EST |  Overcast Fog | -9°C / 16°F | -10°C / 14°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/2SM |
| | KPSF 251241Z AUTO 00000KT 1/2SM FZFG OVC001 M09/M10 A3038 RMK AO2 |
| 07:25 EST |  Overcast Fog | -9°C / 16°F | -10°C / 14°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 251225Z AUTO 00000KT 1/4SM FZFG OVC001 M09/M10 A3039 RMK AO2 |
| 07:17 EST |  Overcast Fog | -9°C / 16°F | -10°C / 14°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/2SM |
| | KPSF 251217Z AUTO 00000KT 1/2SM FZFG OVC001 M09/M10 A3039 RMK AO2 |
| 07:01 EST |  Obscured Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1029 mb (30.39 in) | Calm | - | 1SM |
| | KPSF 251201Z AUTO 00000KT 1SM BR VV001 M09/M10 A3040 RMK AO2 |
| 06:54 EST |  Obscured Fog | -9°C / 16°F | -11°C / 12°F | 86% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 251154Z AUTO 00000KT 1/4SM FZFG VV001 M09/M11 A3040 RMK AO2 SLP315 T10891106 11072 21100 55000 |
| 05:54 EST |  Obscured Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 251054Z AUTO 00000KT 1/4SM FZFG VV001 M08/M09 A3039 RMK AO2 SLP313 T10831094 |
| 05:27 EST |  Obscured Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 251027Z AUTO 00000KT 1/4SM FZFG VV001 M08/M09 A3039 RMK AO2 |
| 05:01 EST |  Obscured Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/2SM |
| | KPSF 251001Z AUTO 00000KT 1/2SM FZFG VV001 M08/M09 A3039 RMK AO2 |
| 04:54 EST |  Obscured Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 250954Z AUTO 00000KT 1/4SM FZFG VV001 M08/M09 A3039 RMK AO2 SLP312 T10831094 |
| 04:45 EST |  Obscured Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 250945Z AUTO 00000KT 1/4SM FZFG VV001 M08/M09 A3039 RMK AO2 |
| 04:27 EST |  Obscured Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/2SM |
| | KPSF 250927Z AUTO 00000KT 1/2SM FZFG VV001 M08/M09 A3040 RMK AO2 |
| 03:54 EST |  Obscured Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 250854Z AUTO 00000KT 1/4SM FZFG VV001 M08/M09 A3039 RMK AO2 SLP311 T10781089 50000 |
| 03:08 EST |  Obscured Fog | -7°C / 19°F | -9°C / 16°F | 86% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 250808Z AUTO 00000KT 1/4SM FZFG VV001 M07/M09 A3040 RMK AO2 |
| 02:54 EST |  Obscured Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1029 mb (30.39 in) | Calm | - | 3/4SM |
| | KPSF 250754Z AUTO 00000KT 3/4SM BR VV001 M07/M08 A3040 RMK AO2 SLP311 T10721078 |
| 02:14 EST |  Obscured Fog | -7°C / 19°F | -8°C / 18°F | 93% | 1029 mb (30.39 in) | Calm | - | 1/2SM |
| | KPSF 250714Z AUTO 00000KT 1/2SM FZFG VV001 M07/M08 A3040 RMK AO2 |
| 02:01 EST |  Overcast Fog | -8°C / 18°F | -8°C / 18°F | 100% | 1029 mb (30.39 in) | Calm | - | 1/2SM |
| | KPSF 250701Z AUTO 00000KT 1/2SM FZFG OVC002 M08/M08 A3040 RMK AO2 |
| 01:54 EST |  Overcast Fog And Mist | -8°C / 18°F | -10°C / 14°F | 86% | 1029 mb (30.39 in) | Calm | - | 1SM |
| | KPSF 250654Z AUTO 00000KT 1SM BR OVC002 M08/M10 A3039 RMK AO2 SLP309 T10831100 |
| 01:51 EST |  Overcast Fog And Mist | -8°C / 18°F | -11°C / 12°F | 79% | 1029 mb (30.39 in) | Calm | - | 1 3/4SM |
| | KPSF 250651Z AUTO 00000KT 1 3/4SM BR OVC002 M08/M11 A3039 RMK AO2 |
| 01:38 EST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1029 mb (30.39 in) | Calm | - | 7SM |
| | KPSF 250638Z AUTO 00000KT 7SM OVC002 M09/M11 A3039 RMK AO2 |
| 01:29 EST |  Mostly Cloudy Fog And Mist | -10°C / 14°F | -11°C / 12°F | 92% | 1029 mb (30.39 in) | Calm | - | 1SM |
| | KPSF 250629Z AUTO 00000KT 1SM BR BKN002 M10/M11 A3039 RMK AO2 CIG 001V004 |
| 01:22 EST |  Mostly Cloudy Fog | -9°C / 16°F | -11°C / 12°F | 86% | 1029 mb (30.39 in) | Calm | - | 1/4SM |
| | KPSF 250622Z AUTO 00000KT 1/4SM FZFG BKN002 M09/M11 A3039 RMK AO2 |
| 01:15 EST |  Partly Cloudy Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1029 mb (30.39 in) | Calm | - | 1 1/4SM |
| | KPSF 250615Z AUTO 00000KT 1 1/4SM BR FEW002 M09/M11 A3039 RMK AO2 VIS 1/4V5 |
| 00:54 EST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1029 mb (30.39 in) | Calm | - | 9SM |
| | KPSF 250554Z AUTO 00000KT 9SM CLR M09/M11 A3040 RMK AO2 SLP312 T10941111 11044 21094 51002 |