| 15:51 EST |  Partly Cloudy | 12°C / 54°F | -3°C / 27°F | 35% | 1009 mb (29.8 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KRDU 272051Z 29007G14KT 10SM FEW060 12/M03 A2979 RMK AO2 SLP087 T01221028 55005 |
| 14:51 EST |  Mostly Cloudy | 12°C / 54°F | -1°C / 30°F | 41% | 1008 mb (29.77 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KRDU 271951Z 27008G18KT 10SM BKN055 12/M01 A2978 RMK AO2 SLP083 BKN V SCT T01171011 |
| 13:51 EST |  Mostly Cloudy | 12°C / 54°F | -1°C / 30°F | 41% | 1008 mb (29.77 in) | W 22 kph (W 13.8 mph) | - | 10SM |
| | KRDU 271851Z 27012G20KT 10SM BKN050 12/M01 A2978 RMK AO2 PK WND 25026/1757 SLP086 T01171011 |
| 12:51 EST |  Mostly Cloudy | 11°C / 52°F | -1°C / 30°F | 44% | 1009 mb (29.8 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KRDU 271751Z 26011G27KT 10SM BKN050 11/M01 A2980 RMK AO2 PK WND 27027/1747 SLP092 T01111011 10117 20022 56025 |
| 11:51 EST |  Mostly Cloudy | 9°C / 48°F | -1°C / 30°F | 50% | 1010 mb (29.83 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KRDU 271651Z 30010G15KT 10SM BKN045 09/M01 A2982 RMK AO2 SLP099 BKN V SCT T00941011 |
| 10:51 EST |  Partly Cloudy | 9°C / 48°F | -1°C / 30°F | 50% | 1011 mb (29.85 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KRDU 271551Z 29010G17KT 250V320 10SM SCT040 09/M01 A2985 RMK AO2 SLP108 T00941006 |
| 09:51 EST |  Partly Cloudy | 8°C / 46°F | 1°C / 34°F | 62% | 1012 mb (29.88 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KRDU 271451Z 25008KT 10SM FEW050 SCT200 08/01 A2988 RMK AO2 SLP117 T00780006 51007 |
| 08:51 EST |  Partly Cloudy | 6°C / 43°F | 0°C / 32°F | 66% | 1012 mb (29.88 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KRDU 271351Z 27007KT 10SM FEW050 06/00 A2988 RMK AO2 SLP117 T00610000 |
| 07:51 EST |  Partly Cloudy | 3°C / 37°F | -1°C / 30°F | 75% | 1012 mb (29.88 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KRDU 271251Z 25005KT 10SM FEW050 03/M01 A2987 RMK AO2 SLP114 T00331011 |
| 06:51 EST |  Clear | 3°C / 37°F | -2°C / 28°F | 70% | 1011 mb (29.85 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KRDU 271151Z 26005KT 10SM CLR 03/M02 A2986 RMK AO2 SLP111 70007 T00281017 10061 20028 51020 |
| 05:51 EST |  Clear | 3°C / 37°F | -2°C / 28°F | 70% | 1010 mb (29.83 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KRDU 271051Z 26005KT 10SM CLR 03/M02 A2984 RMK AO2 SLP106 T00281017 |
| 04:51 EST |  Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1010 mb (29.83 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KRDU 270951Z 26007KT 10SM CLR 03/M01 A2982 RMK AO2 SLP097 T00331011 |
| 03:51 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1009 mb (29.8 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KRDU 270851Z 26004KT 10SM CLR 04/M01 A2980 RMK AO2 SLP090 T00391006 53012 |
| 02:51 EST |  Clear | 5°C / 41°F | 1°C / 34°F | 76% | 1008 mb (29.77 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KRDU 270751Z 28005KT 10SM CLR 05/01 A2978 RMK AO2 SLP084 T00500011 |
| 01:51 EST |  Partly Cloudy | 6°C / 43°F | 3°C / 37°F | 81% | 1008 mb (29.77 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KRDU 270651Z 27007KT 10SM FEW075 SCT120 06/03 A2977 RMK AO2 SLP081 T00560028 |
| 00:51 EST |  Overcast | 6°C / 43°F | 4°C / 39°F | 87% | 1008 mb (29.77 in) | W 6 kph (W 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KRDU 270551Z 28003KT 10SM BKN055 OVC120 06/04 A2976 RMK AO2 RAE13 SLP077 P0000 60007 T00610044 10094 20061 58003 |