| 02:51 EST |  Overcast Fog | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | Calm | - | 1/4SM |
| | KRDU 260751Z 00000KT 1/4SM FG OVC001 07/06 A2993 RMK AO2 SLP135 T00720061 |
| 02:16 EST |  Mostly Cloudy Fog | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | Calm | - | 1/4SM |
| | KRDU 260716Z 00000KT 1/4SM FG BKN001 07/06 A2994 RMK AO2 |
| 01:51 EST |  Mostly Cloudy Fog | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | Calm | - | 1SM |
| | KRDU 260651Z 00000KT 1SM BCFG BR SCT001 BKN250 07/06 A2994 RMK AO2 SLP139 VIS 1/2V3 T00720061 |
| 01:34 EST |  Mostly Cloudy Fog | 7°C / 45°F | 6°C / 43°F | 93% | 1014 mb (29.94 in) | Calm | - | 1SM |
| | KRDU 260634Z 00000KT 1SM BCFG BR SCT001 BKN250 07/06 A2995 RMK AO2 VIS 1/2V3 |
| 01:24 EST |  Mostly Cloudy Fog And Mist | 7°C / 45°F | 7°C / 45°F | 100% | 1014 mb (29.94 in) | Calm | - | 1 1/2SM |
| | KRDU 260624Z 00000KT 1 1/2SM BR FEW008 BKN250 07/07 A2995 RMK AO2 |
| 00:51 EST |  Mostly Cloudy Fog And Mist | 8°C / 46°F | 7°C / 45°F | 93% | 1015 mb (29.97 in) | Calm | - | 5SM |
| | KRDU 260551Z 00000KT 5SM BR BKN250 08/07 A2996 RMK AO2 SLP144 T00780072 10106 20078 58008 |