| 06:53 EST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1008 mb (29.77 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KPEO 281153Z AUTO 29011G21KT 10SM OVC025 03/M01 A2976 RMK AO2 PK WND 28031/1100 SLP084 70002 T00331011 10044 20033 51023 |
| 05:53 EST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1007 mb (29.74 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KPEO 281053Z AUTO 28013G27KT 10SM OVC023 03/M01 A2974 RMK AO2 PK WND 27032/1009 SLP079 T00331011 |
| 05:38 EST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1007 mb (29.74 in) | W 30 kph (W 18.4 mph) | - | 10SM |
| | KPEO 281038Z AUTO 28016G26KT 10SM BKN021 OVC038 03/M01 A2973 RMK AO2 PK WND 27032/1009 |
| 05:00 EST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1006 mb (29.71 in) | W 32 kph (W 19.6 mph) | - | 10SM |
| | KPEO 281000Z AUTO 27017G28KT 10SM FEW019 SCT025 OVC038 04/00 A2971 RMK AO2 PK WND 28028/0959 |
| 04:53 EST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1006 mb (29.71 in) | W 26 kph (W 16.1 mph) | - | 10SM |
| | KPEO 280953Z AUTO 28014G32KT 10SM SCT019 BKN025 OVC036 04/00 A2971 RMK AO2 PK WND 28032/0949 SLP066 T00390000 |
| 03:53 EST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1005 mb (29.68 in) | W 26 kph (W 16.1 mph) | - | 10SM |
| | KPEO 280853Z AUTO 28014G26KT 10SM OVC019 04/01 A2969 RMK AO2 PK WND 30029/0838 SLP059 T00440006 53020 |
| 02:53 EST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1004 mb (29.65 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KPEO 280753Z AUTO 29012G31KT 10SM OVC017 04/01 A2966 RMK AO2 PK WND 28031/0746 SLP051 T00440006 |
| 01:53 EST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1004 mb (29.65 in) | WNW 32 kph (WNW 19.6 mph) | - | 10SM |
| | KPEO 280653Z AUTO 29017G29KT 10SM OVC015 04/01 A2965 RMK AO2 PK WND 29029/0653 SLP047 T00390011 |
| 01:00 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1003 mb (29.62 in) | WNW 32 kph (WNW 19.6 mph) | - | 10SM |
| | KPEO 280600Z AUTO 29017G28KT 10SM OVC015 04/02 A2963 RMK AO2 PK WND 29028/0559 |
| 00:53 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1003 mb (29.62 in) | W 24 kph (W 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPEO 280553Z AUTO 28013G22KT 10SM OVC013 04/02 A2963 RMK AO2 RAE15 SLP040 P0000 60001 T00390017 10044 20028 53005 |
| 00:40 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1003 mb (29.62 in) | WNW 22 kph (WNW 13.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPEO 280540Z AUTO 29012G25KT 10SM OVC011 04/02 A2963 RMK AO2 RAE15 P0000 |