| 18:51 EST |  Partly Cloudy | 8°C / 46°F | -2°C / 28°F | 50% | 1017 mb (30.03 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KRDU 282351Z 23004KT 10SM FEW250 08/M02 A3002 RMK AO2 SLP168 T00831017 10144 20083 50005 |
| 17:51 EST |  Partly Cloudy | 9°C / 48°F | -2°C / 28°F | 46% | 1017 mb (30.03 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KRDU 282251Z 20004KT 10SM FEW250 09/M02 A3002 RMK AO2 SLP168 T00941017 |
| 16:51 EST |  Clear | 10°C / 50°F | -1°C / 30°F | 47% | 1016 mb (30 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KRDU 282151Z 24005KT 10SM CLR 10/M01 A3001 RMK AO2 SLP163 T01001011 |
| 15:51 EST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1016 mb (30 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KRDU 282051Z 27005KT 10SM CLR 14/M04 A3001 RMK AO2 SLP161 T01441044 55002 |
| 14:51 EST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1016 mb (30 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KRDU 281951Z 29005KT 10SM CLR 14/M04 A3000 RMK AO2 SLP159 T01441044 |
| 13:51 EST |  Clear | 13°C / 55°F | -5°C / 23°F | 28% | 1016 mb (30 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KRDU 281851Z 30005KT 10SM CLR 13/M05 A3000 RMK AO2 SLP160 T01331050 |
| 12:51 EST |  Clear | 12°C / 54°F | -5°C / 23°F | 30% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRDU 281751Z 00000KT 10SM CLR 12/M05 A3001 RMK AO2 SLP163 T01221050 10128 21017 58015 |
| 11:51 EST |  Clear | 11°C / 52°F | -4°C / 25°F | 35% | 1017 mb (30.03 in) | Variable 9 kph (Variable 5.8 mph) | - | 10SM |
| | KRDU 281651Z VRB05KT 10SM CLR 11/M04 A3003 RMK AO2 SLP171 T01111044 |
| 10:51 EST |  Partly Cloudy | 9°C / 48°F | -4°C / 25°F | 40% | 1018 mb (30.06 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KRDU 281551Z 28006KT 10SM FEW250 09/M04 A3005 RMK AO2 SLP176 T00941044 |
| 09:51 EST |  Partly Cloudy | 7°C / 45°F | -4°C / 25°F | 46% | 1018 mb (30.06 in) | Variable 9 kph (Variable 5.8 mph) | - | 10SM |
| | KRDU 281451Z VRB05KT 10SM FEW250 07/M04 A3006 RMK AO2 SLP179 T00671044 51012 |
| 08:51 EST |  Partly Cloudy | 4°C / 39°F | -3°C / 27°F | 61% | 1018 mb (30.06 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KRDU 281351Z 28003KT 10SM FEW250 04/M03 A3005 RMK AO2 SLP177 T00441033 |
| 07:51 EST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRDU 281251Z 00000KT 10SM CLR 01/M03 A3004 RMK AO2 SLP175 T00061028 |
| 06:51 EST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1017 mb (30.03 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KRDU 281151Z 25003KT 10SM CLR M01/M04 A3002 RMK AO2 SLP168 T10061044 10033 21006 53011 |
| 05:51 EST |  Clear | 1°C / 34°F | -4°C / 25°F | 70% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRDU 281051Z 00000KT 10SM CLR 01/M04 A3000 RMK AO2 SLP161 T00061044 |
| 04:51 EST |  Clear | 2°C / 36°F | -5°C / 23°F | 60% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRDU 280951Z 00000KT 10SM CLR 02/M05 A2999 RMK AO2 SLP158 T00171050 |
| 03:51 EST |  Clear | 2°C / 36°F | -5°C / 23°F | 60% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRDU 280851Z 00000KT 10SM CLR 02/M05 A2999 RMK AO2 SLP155 T00221050 50008 |
| 02:51 EST |  Clear | 3°C / 37°F | -5°C / 23°F | 56% | 1016 mb (30 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KRDU 280751Z 32003KT 10SM CLR 03/M05 A2999 RMK AO2 SLP157 T00281050 |
| 01:51 EST |  Clear | 2°C / 36°F | -6°C / 21°F | 56% | 1015 mb (29.97 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KRDU 280651Z 03003KT 10SM CLR 02/M06 A2998 RMK AO2 SLP152 T00221056 |
| 00:51 EST |  Clear | 3°C / 37°F | -6°C / 21°F | 52% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KRDU 280551Z 00000KT 10SM CLR 03/M06 A2996 RMK AO2 SLP146 T00331061 10067 20033 53011 |