| 09:52 EST | 
Overcast | 3°C / 37°F | -5°C / 23°F | 56% | 1025 mb
(30.27 in) | W 9 kph
(W 5.8 mph) | - | 10SM |
| | KDCA 221452Z 28005KT 10SM BKN038 OVC200 03/M05 A3028
RMK AO2 SLP252 T00281050 53022 |
| 08:52 EST |
Overcast | 3°C / 37°F | -6°C / 21°F | 52% | 1025 mb
(30.27 in) | WNW 17 kph
(WNW 10.4 mph) | - | 10SM |
| | KDCA 221352Z 29009KT 10SM BKN040 OVC220 03/M06 A3026
RMK AO2 SLP245 T00281056 |
| 07:52 EST | 
Mostly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1024 mb
(30.24 in) | NW 15 kph
(NW 9.2 mph) | - | 10SM |
| | KDCA 221252Z 32008KT 10SM SCT045 SCT150 BKN220 01/M06 A3023
RMK AO2 SLP235 T00111061 |
| 06:52 EST | 
Mostly Cloudy | 1°C / 34°F | -7°C / 19°F | 56% | 1023 mb
(30.21 in) | NNW 11 kph
(NNW 6.9 mph) | - | 10SM |
| | KDCA 221152Z 33006KT 10SM FEW038 BKN130 BKN200 01/M07 A3021
RMK AO2 SLP230 4/010 T00111067 10017 21033 53009 |
| 05:52 EST | 
Partly Cloudy | -2°C / 28°F | -6°C / 21°F | 74% | 1023 mb
(30.21 in) | Calm | - | 10SM |
| | KDCA 221052Z 00000KT 10SM FEW038 SCT200 M02/M06 A3020
RMK AO2 SLP226 T10171061 |
| 04:52 EST |
Partly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KDCA 220952Z 00000KT 10SM FEW038 SCT200 01/M06 A3018
RMK AO2 SLP220 T00061061 |
| 03:52 EST |
Mostly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KDCA 220852Z 00000KT 10SM BKN041 BKN200 01/M06 A3019
RMK AO2 SLP221 T00111056 51007 |
| 02:52 EST |
Mostly Cloudy | 0°C / 32°F | -4°C / 25°F | 75% | 1022 mb
(30.18 in) | N 6 kph
(N 3.5 mph) | - | 10SM |
| | KDCA 220752Z 36003KT 10SM BKN044 BKN200 00/M04 A3018
RMK AO2 SLP219 T00001039 |
| 01:52 EST |
Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1022 mb
(30.18 in) | SSW 7 kph
(SSW 4.6 mph) | - | 10SM |
| | KDCA 220652Z 26004KT 10SM BKN043 01/M04 A3017
RMK AO2 SLP217 T00061044 |
| 00:52 EST |
Partly Cloudy | -1°C / 30°F | -5°C / 23°F | 75% | 1022 mb
(30.18 in) | SW 7 kph
(SW 4.6 mph) | - | 10SM |
| | KDCA 220552Z 21004KT 10SM FEW045 SCT200 M01/M05 A3017
RMK AO2 SLP214 4/010 T10111050 10039 21011 51005 |
