| 11:52 EST |  Mostly Cloudy | 6°C / 43°F | -3°C / 27°F | 53% | 1024 mb (30.24 in) | SW 24 kph (SW 15 mph) | - | 10SM |
| | KDCA 071652Z 22013KT 10SM FEW035 SCT140 BKN250 06/M03 A3025 RMK AO2 PRESFR SLP242 T00561028 $ |
| 10:52 EST |  Partly Cloudy | 5°C / 41°F | -3°C / 27°F | 57% | 1026 mb (30.3 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KDCA 071552Z 22009KT 10SM SCT036 SCT140 SCT250 05/M03 A3031 RMK AO2 SLP263 T00501033 |
| 10:31 EST |  Overcast | 4°C / 39°F | -3°C / 27°F | 61% | 1027 mb (30.33 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KDCA 071531Z 21007KT 10SM BKN036 BKN140 OVC250 04/M03 A3032 RMK AO2 |
| 09:52 EST |  Partly Cloudy | 4°C / 39°F | -3°C / 27°F | 61% | 1027 mb (30.33 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KDCA 071452Z 21009KT 10SM SCT030 SCT140 SCT250 04/M03 A3034 RMK AO2 SLP272 T00391033 55004 |
| 08:52 EST |  Mostly Cloudy | 2°C / 36°F | -4°C / 25°F | 65% | 1027 mb (30.33 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KDCA 071352Z 20008KT 10SM SCT140 BKN230 02/M04 A3033 RMK AO2 SLP271 T00221039 |
| 07:52 EST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1027 mb (30.33 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KDCA 071252Z 16008KT 10SM FEW035 SCT140 BKN220 01/M04 A3032 RMK AO2 SLP265 T00111044 |
| 06:52 EST |  Mostly Cloudy | 1°C / 34°F | -5°C / 23°F | 65% | 1028 mb (30.36 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KDCA 071152Z 20003KT 10SM SCT033 BKN130 BKN200 01/M05 A3035 RMK AO2 SLP276 T00111050 10011 21006 55000 |
| 05:52 EST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1027 mb (30.33 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KDCA 071052Z 16004KT 10SM FEW033 OVC130 01/M05 A3034 RMK AO2 SLP275 T00111050 |
| 04:52 EST |  Mostly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1027 mb (30.33 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KDCA 070952Z 17004KT 10SM BKN140 BKN200 01/M06 A3034 RMK AO2 SLP274 T00061056 |
| 03:52 EST |  Mostly Cloudy | 0°C / 32°F | -6°C / 21°F | 64% | 1028 mb (30.36 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KDCA 070852Z 13004KT 10SM FEW140 BKN200 00/M06 A3035 RMK AO2 SLP276 T00001056 58013 |
| 02:52 EST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1028 mb (30.36 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KDCA 070752Z 14004KT 10SM OVC140 01/M05 A3037 RMK AO2 SLP285 T00061050 |
| 01:52 EST |  Overcast | 1°C / 34°F | -4°C / 25°F | 70% | 1029 mb (30.39 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KDCA 070652Z 12004KT 10SM OVC140 01/M04 A3038 RMK AO2 SLP287 T00061044 |
| 00:52 EST |  Overcast | 1°C / 34°F | -4°C / 25°F | 70% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KDCA 070552Z 00000KT 10SM OVC150 01/M04 A3039 RMK AO2 SLP289 T00111044 10017 20000 56014 |