| 12:45 EST |  Partly Cloudy | -1°C / 30°F | -7°C / 19°F | 64% | 1027 mb (30.33 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KPSF 241745Z AUTO 02004KT 10SM SCT021 M01/M07 A3032 RMK AO2 |
| 11:54 EST |  Overcast | -2°C / 28°F | -7°C / 19°F | 69% | 1027 mb (30.33 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KPSF 241654Z AUTO VRB03KT 10SM OVC021 M02/M07 A3033 RMK AO2 SLP290 T10171067 |
| 10:54 EST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1028 mb (30.36 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KPSF 241554Z AUTO 29005KT 10SM OVC025 M04/M07 A3035 RMK AO2 SLP299 T10391072 |
| 10:32 EST |  Mostly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KPSF 241532Z AUTO 00000KT 10SM BKN029 M04/M08 A3035 RMK AO2 |
| 10:03 EST |  Partly Cloudy | -5°C / 23°F | -8°C / 18°F | 80% | 1028 mb (30.36 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KPSF 241503Z AUTO 28004KT 10SM FEW009 SCT025 M05/M08 A3036 RMK AO2 |
| 09:54 EST |  Mostly Cloudy | -5°C / 23°F | -8°C / 18°F | 80% | 1028 mb (30.36 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KPSF 241454Z AUTO 26005KT 10SM SCT009 BKN025 M05/M08 A3035 RMK AO2 SLP300 T10501078 51027 |
| 09:18 EST |  Overcast Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1028 mb (30.36 in) | Calm | - | 4SM |
| | KPSF 241418Z AUTO 00000KT 4SM BR OVC013 M06/M08 A3035 RMK AO2 |
| 09:06 EST |  Overcast Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1028 mb (30.36 in) | WNW 6 kph (WNW 3.5 mph) | - | 2SM |
| | KPSF 241406Z AUTO 29003KT 2SM BR OVC013 M06/M08 A3035 RMK AO2 |
| 08:54 EST |  Overcast Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1027 mb (30.33 in) | NW 6 kph (NW 3.5 mph) | - | 1 3/4SM |
| | KPSF 241354Z AUTO 31003KT 1 3/4SM BR OVC015 M06/M08 A3034 RMK AO2 SLP298 T10611083 |
| 08:43 EST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1027 mb (30.33 in) | WNW 7 kph (WNW 4.6 mph) | - | 2 1/2SM |
| | KPSF 241343Z AUTO 29004KT 2 1/2SM BR OVC015 M07/M09 A3033 RMK AO2 VIS 2V4 |
| 07:54 EST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1026 mb (30.3 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KPSF 241254Z AUTO 29006KT 10SM OVC017 M07/M09 A3030 RMK AO2 SLP287 T10721094 |
| 06:54 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1025 mb (30.27 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KPSF 241154Z AUTO 29006KT 10SM OVC015 M07/M10 A3027 RMK AO2 SLP275 70001 T10721100 11072 21094 53018 |
| 06:21 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1024 mb (30.24 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KPSF 241121Z AUTO 29007KT 10SM OVC015 M07/M10 A3025 RMK AO2 |
| 05:54 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1024 mb (30.24 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KPSF 241054Z AUTO 28009KT 10SM OVC013 M07/M10 A3024 RMK AO2 SLP265 T10721100 |
| 05:11 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1024 mb (30.24 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KPSF 241011Z AUTO 27008KT 10SM OVC013 M08/M11 A3023 RMK AO2 |
| 04:54 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1023 mb (30.21 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KPSF 240954Z AUTO 25009KT 10SM OVC015 M08/M11 A3022 RMK AO2 SLP260 T10781106 |
| 03:54 EST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1023 mb (30.21 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KPSF 240854Z AUTO VRB04KT 10SM OVC015 M08/M12 A3021 RMK AO2 SLP256 T10781117 51020 |
| 02:54 EST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1023 mb (30.21 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KPSF 240754Z AUTO 33009KT 10SM OVC017 M08/M13 A3020 RMK AO2 SLP253 T10831128 |
| 01:54 EST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1022 mb (30.18 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KPSF 240654Z AUTO 33008G14KT 10SM BKN017 OVC022 M09/M13 A3017 RMK AO2 SLP242 T10891133 |
| 00:54 EST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1021 mb (30.15 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KPSF 240554Z AUTO 31007KT 10SM BKN017 OVC022 M09/M13 A3015 RMK AO2 SLP237 60000 T10941133 11094 21106 50007 |