| 05:40 EST |  Clear | 5°C / 41°F | 1°C / 34°F | 76% | 1010 mb (29.83 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGWW 271040Z AUTO 27008KT 10SM CLR 05/01 A2983 RMK AO2 T00450007 |
| 05:20 EST |  Clear | 5°C / 41°F | 1°C / 34°F | 76% | 1010 mb (29.83 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KGWW 271020Z AUTO 27009KT 10SM CLR 05/01 A2982 RMK AO2 T00450010 |
| 05:00 EST |  Clear | 4°C / 39°F | 2°C / 36°F | 87% | 1009 mb (29.8 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KGWW 271000Z AUTO 26008KT 10SM CLR 04/02 A2981 RMK AO2 T00420018 |
| 04:40 EST |  Clear | 5°C / 41°F | 2°C / 36°F | 81% | 1009 mb (29.8 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KGWW 270940Z AUTO 26006KT 10SM CLR 05/02 A2980 RMK AO2 T00450023 |
| 04:20 EST |  Clear | 5°C / 41°F | 3°C / 37°F | 87% | 1009 mb (29.8 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGWW 270920Z AUTO 26005KT 10SM CLR 05/03 A2980 RMK AO2 T00460027 |
| 04:00 EST |  Clear | 5°C / 41°F | 3°C / 37°F | 87% | 1009 mb (29.8 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGWW 270900Z AUTO 26007KT 10SM CLR 05/03 A2980 RMK AO2 60001 T00490033 |
| 03:40 EST |  Clear | 5°C / 41°F | 4°C / 39°F | 93% | 1009 mb (29.8 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KGWW 270840Z AUTO 25008KT 10SM CLR 05/04 A2979 RMK AO2 T00510037 |
| 03:20 EST |  Clear | 6°C / 43°F | 4°C / 39°F | 87% | 1009 mb (29.8 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KGWW 270820Z AUTO 26009KT 10SM CLR 06/04 A2979 RMK AO2 T00550044 |
| 03:00 EST |  Partly Cloudy | 6°C / 43°F | 5°C / 41°F | 93% | 1008 mb (29.77 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KGWW 270800Z AUTO 25009KT 10SM SCT070 06/05 A2978 RMK AO2 T00590050 |
| 02:40 EST |  Overcast | 6°C / 43°F | 6°C / 43°F | 100% | 1008 mb (29.77 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGWW 270740Z AUTO 25005KT 10SM OVC070 06/06 A2977 RMK AO2 T00610057 |
| 02:20 EST |  Overcast | 6°C / 43°F | 6°C / 43°F | 100% | 1008 mb (29.77 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGWW 270720Z AUTO 25004KT 10SM SCT060 OVC065 06/06 A2977 RMK AO2 T00630060 |
| 02:00 EST |  Mostly Cloudy | 6°C / 43°F | 6°C / 43°F | 100% | 1008 mb (29.77 in) | Calm | 0.25 mm (0.01 in) | 10SM |
| | KGWW 270700Z AUTO 00000KT 10SM SCT020 BKN050 06/06 A2977 RMK AO2 P0001 T00620058 |
| 01:40 EST |  Mostly Cloudy | 6°C / 43°F | 6°C / 43°F | 100% | 1008 mb (29.77 in) | Calm | 0.25 mm (0.01 in) | 10SM |
| | KGWW 270640Z AUTO 00000KT 10SM SCT020 SCT070 BKN085 06/06 A2976 RMK AO2 P0001 T00620056 |
| 01:20 EST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 10SM |
| | KGWW 270620Z AUTO 00000KT 10SM -RA SCT022 BKN042 OVC085 07/06 A2973 RMK AO2 P0001 T00660057 |
| 01:00 EST |  Overcast Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1008 mb (29.77 in) | NW 7 kph (NW 4.6 mph) | 0.76 mm (0.03 in) | 10SM |
| | KGWW 270600Z AUTO 30004KT 10SM RA SCT019 OVC027 07/06 A2976 RMK AO2 P0003 60003 T00650055 10091 20056 |
| 00:40 EST |  Overcast Light Rain | 7°C / 45°F | 5°C / 41°F | 87% | 1008 mb (29.77 in) | NW 15 kph (NW 9.2 mph) | 0.51 mm (0.02 in) | 7SM |
| | KGWW 270540Z AUTO 32008G14KT 7SM -RA OVC023 07/05 A2977 RMK AO2 P0002 T00660053 |
| 00:20 EST |  Overcast Light Rain | 8°C / 46°F | 5°C / 41°F | 82% | 1008 mb (29.77 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGWW 270520Z AUTO 31009G16KT 260V330 10SM -RA OVC023 08/05 A2977 RMK AO2 T00750047 |
| 00:00 EST |  Overcast | 8°C / 46°F | 5°C / 41°F | 82% | 1007 mb (29.74 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGWW 270500Z AUTO 31009G15KT 10SM BKN019 OVC045 08/05 A2975 RMK AO2 T00800049 |