| 05:50 EST |  Obscured Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1013 mb (29.91 in) | E 9 kph (E 5.8 mph) | 2.29 mm (0.09 in) | 1/4SM |
| | KPSF 091050Z AUTO 08005KT 1/4SM SN FZFG VV002 M03/M04 A2992 RMK AO2 P0009 |
| 05:26 EST |  Overcast Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1014 mb (29.94 in) | Variable 7 kph (Variable 4.6 mph) | 1.02 mm (0.04 in) | 1/2SM |
| | KPSF 091026Z AUTO VRB04KT 1/2SM SN FZFG BKN003 BKN008 OVC015 M03/M04 A2994 RMK AO2 P0004 |
| 04:54 EST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1015 mb (29.97 in) | Variable 7 kph (Variable 4.6 mph) | 0.76 mm (0.03 in) | 3/4SM |
| | KPSF 090954Z AUTO VRB04KT 3/4SM -SN BR BKN007 OVC017 M03/M04 A2996 RMK AO2 SLP159 P0003 T10281044 |
| 04:39 EST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1015 mb (29.97 in) | ENE 11 kph (ENE 6.9 mph) | 0.51 mm (0.02 in) | 3/4SM |
| | KPSF 090939Z AUTO 07006KT 3/4SM -SN BR SCT009 OVC017 M03/M04 A2997 RMK AO2 P0002 |
| 03:54 EST |  Overcast Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 1016 mb (30 in) | Variable 11 kph (Variable 6.9 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KPSF 090854Z AUTO VRB06KT 1 1/4SM -SN BR OVC017 M03/M05 A3000 RMK AO2 SNB05 SLP171 P0001 60001 T10281050 57058 |
| 03:22 EST |  Overcast Light Snow | -2°C / 28°F | -6°C / 21°F | 74% | 1017 mb (30.03 in) | E 13 kph (E 8.1 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KPSF 090822Z AUTO 10007KT 1 3/4SM -SN OVC021 M02/M06 A3002 RMK AO2 SNB05 P0000 |
| 03:12 EST |  Overcast Light Snow | -2°C / 28°F | -6°C / 21°F | 74% | 1017 mb (30.03 in) | Variable 7 kph (Variable 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KPSF 090812Z AUTO VRB04KT 4SM -SN OVC025 M02/M06 A3004 RMK AO2 SNB05 P0000 |
| 02:54 EST |  Overcast | -2°C / 28°F | -7°C / 19°F | 69% | 1018 mb (30.06 in) | Variable 11 kph (Variable 6.9 mph) | - | 10SM |
| | KPSF 090754Z AUTO VRB06KT 10SM FEW033 OVC044 M02/M07 A3006 RMK AO2 SLP189 T10171067 |
| 01:54 EST |  Overcast | -2°C / 28°F | -7°C / 19°F | 69% | 1020 mb (30.12 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KPSF 090654Z AUTO 06003KT 10SM OVC055 M02/M07 A3012 RMK AO2 PRESFR SLP211 T10221067 |
| 00:54 EST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KPSF 090554Z AUTO 00000KT 10SM OVC080 M03/M06 A3018 RMK AO2 SLP232 T10331061 11028 21050 58018 |