| 13:53 EST |  Clear | 10°C / 50°F | 1°C / 34°F | 54% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KGSP 231853Z 00000KT 10SM CLR 10/01 A3021 RMK AO2 SLP231 T01000006 |
| 12:53 EST |  Clear | 9°C / 48°F | 1°C / 34°F | 58% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGSP 231753Z 00000KT 10SM CLR 09/01 A3023 RMK AO2 SLP238 T00940006 10100 21017 58013 |
| 11:53 EST |  Clear | 9°C / 48°F | 0°C / 32°F | 54% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KGSP 231653Z 23003KT 10SM CLR 09/00 A3025 RMK AO2 SLP246 T00890000 |
| 10:53 EST |  Clear | 8°C / 46°F | 1°C / 34°F | 62% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KGSP 231553Z 00000KT 10SM CLR 08/01 A3027 RMK AO2 SLP251 T00780006 |
| 09:53 EST |  Clear | 6°C / 43°F | 1°C / 34°F | 71% | 1025 mb (30.27 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KGSP 231453Z 05003KT 10SM CLR 06/01 A3026 RMK AO2 SLP251 T00560011 51014 |
| 08:53 EST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KGSP 231353Z 00000KT 7SM CLR 00/M02 A3026 RMK AO2 SLP251 T00001017 |
| 07:53 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KGSP 231253Z 00000KT 7SM CLR M01/M03 A3025 RMK AO2 SLP248 T10111028 |
| 06:53 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 8SM |
| | KGSP 231153Z 00000KT 8SM CLR M01/M03 A3022 RMK AO2 SLP239 T10111028 10006 21017 51004 |
| 05:53 EST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1023 mb (30.21 in) | Calm | - | 8SM |
| | KGSP 231053Z AUTO 00000KT 8SM CLR M01/M02 A3022 RMK AO2 SLP238 T10061022 |
| 04:53 EST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1023 mb (30.21 in) | Calm | - | 9SM |
| | KGSP 230953Z AUTO 00000KT 9SM CLR M01/M02 A3022 RMK AO2 SLP236 T10111022 |
| 03:53 EST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | Calm | - | 9SM |
| | KGSP 230853Z AUTO 00000KT 9SM CLR 00/M02 A3021 RMK AO2 SLP233 T00001017 50001 |
| 02:53 EST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1023 mb (30.21 in) | Calm | - | 7SM |
| | KGSP 230753Z AUTO 00000KT 7SM CLR M01/M02 A3021 RMK AO2 SLP234 T10061022 |
| 01:53 EST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | Calm | - | 7SM |
| | KGSP 230653Z AUTO 00000KT 7SM CLR 00/M02 A3021 RMK AO2 SLP233 T00001017 |
| 00:53 EST |  Clear Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | Calm | - | 6SM |
| | KGSP 230553Z AUTO 00000KT 6SM BR CLR 00/M02 A3021 RMK AO2 SLP232 T00001017 10050 20000 58007 |