| 07:39 EST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1021 mb (30.15 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KDNN 081239Z AUTO 32003KT 10SM OVC023 05/04 A3016 RMK AO2 |
| 07:19 EST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KDNN 081219Z AUTO 00000KT 10SM OVC025 05/04 A3015 RMK AO2 |
| 06:59 EST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1021 mb (30.15 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KDNN 081159Z AUTO 36003KT 10SM OVC025 05/04 A3016 RMK AO2 |
| 06:39 EST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1022 mb (30.18 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KDNN 081139Z AUTO 33003KT 10SM OVC025 05/04 A3017 RMK AO2 |
| 06:19 EST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1022 mb (30.18 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KDNN 081119Z AUTO 35004KT 10SM OVC027 05/04 A3017 RMK AO2 |
| 05:59 EST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1022 mb (30.18 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KDNN 081059Z AUTO 33005KT 10SM OVC031 05/04 A3018 RMK AO2 LTG DSNT SW |
| 05:39 EST |  Overcast | 5°C / 41°F | 5°C / 41°F | 100% | 1022 mb (30.18 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KDNN 081039Z AUTO 33004KT 10SM OVC033 05/05 A3017 RMK AO2 |
| 05:19 EST |  Mostly Cloudy | 4°C / 39°F | 3°C / 37°F | 93% | 1021 mb (30.15 in) | N 6 kph (N 3.5 mph) | - | 7SM |
| | KDNN 081019Z AUTO 36003KT 7SM SCT033 BKN055 04/03 A3015 RMK AO2 |
| 04:59 EST |  Partly Cloudy | 4°C / 39°F | 3°C / 37°F | 93% | 1021 mb (30.15 in) | Calm | - | 7SM |
| | KDNN 080959Z AUTO 00000KT 7SM SCT055 04/03 A3015 RMK AO2 |
| 04:39 EST |  Clear | 4°C / 39°F | 4°C / 39°F | 100% | 1022 mb (30.18 in) | Calm | - | 7SM |
| | KDNN 080939Z AUTO 00000KT 7SM CLR 04/04 A3017 RMK AO2 |
| 04:19 EST |  Clear | 5°C / 41°F | 5°C / 41°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KDNN 080919Z AUTO 00000KT 10SM CLR 05/05 A3017 RMK AO2 |
| 03:59 EST |  Clear | 4°C / 39°F | 4°C / 39°F | 100% | 1022 mb (30.18 in) | NW 7 kph (NW 4.6 mph) | - | 7SM |
| | KDNN 080859Z AUTO 32004KT 7SM CLR 04/04 A3018 RMK AO2 |
| 03:39 EST |  Clear | 5°C / 41°F | 4°C / 39°F | 93% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KDNN 080839Z AUTO 00000KT 10SM CLR 05/04 A3017 RMK AO2 |
| 03:19 EST |  Partly Cloudy | 5°C / 41°F | 4°C / 39°F | 93% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KDNN 080819Z AUTO 00000KT 10SM SCT050 SCT085 05/04 A3018 RMK AO2 |
| 03:00 EST |  Mostly Cloudy | 5°C / 41°F | 5°C / 41°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KDNN 080800Z AUTO 00000KT 10SM BKN055 BKN070 05/05 A3019 RMK AO2 |
| 02:39 EST |  Partly Cloudy | 5°C / 41°F | 5°C / 41°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KDNN 080739Z AUTO 00000KT 10SM SCT055 SCT070 05/05 A3021 RMK AO2 |
| 02:19 EST |  Partly Cloudy | 6°C / 43°F | 5°C / 41°F | 93% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KDNN 080719Z AUTO 00000KT 10SM SCT060 SCT085 06/05 A3019 RMK AO2 |
| 01:59 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KDNN 080659Z AUTO 00000KT 10SM BKN060 OVC085 07/05 A3020 RMK AO2 |
| 01:39 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1023 mb (30.21 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KDNN 080639Z AUTO 15003KT 10SM BKN060 OVC070 07/05 A3021 RMK AO2 |
| 01:19 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KDNN 080619Z AUTO 00000KT 10SM SCT060 OVC070 07/05 A3020 RMK AO2 |
| 00:59 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KDNN 080559Z AUTO 00000KT 10SM OVC060 07/05 A3021 RMK AO2 |
| 00:39 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KDNN 080539Z AUTO 36003KT 10SM OVC060 07/05 A3020 RMK AO2 |
| 00:19 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1023 mb (30.21 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KDNN 080519Z AUTO 34003KT 10SM OVC060 07/05 A3022 RMK AO2 |
| 00:00 EST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KDNN 080500Z AUTO 00000KT 10SM OVC060 07/05 A3022 RMK AO2 |