| 07:56 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1020 mb (30.12 in) | N 7 kph (N 4.6 mph) | 0.25 mm (0.01 in) | 7SM |
| | KGON 051256Z 36004KT 7SM -RA OVC040 05/04 A3012 RMK AO2 SLP198 P0001 T00500039 |
| 06:56 EST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1019 mb (30.09 in) | NE 7 kph (NE 4.6 mph) | 0.00 mm (0.00 in) | 7SM |
| | KGON 051156Z 03004KT 7SM -RA SCT043 OVC070 06/03 A3010 RMK AO2 SLP193 P0000 60000 T00560033 10061 20050 56013 |
| 05:56 EST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1019 mb (30.09 in) | N 7 kph (N 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGON 051056Z AUTO 01004KT 10SM -RA FEW055 OVC070 06/03 A3010 RMK AO2 RAB07 SLP193 P0000 T00610028 |
| 04:56 EST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1020 mb (30.12 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGON 050956Z AUTO 04003KT 10SM OVC070 06/03 A3011 RMK AO2 RAB28E41 SLP196 P0000 T00610028 |
| 03:56 EST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1021 mb (30.15 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KGON 050856Z AUTO 31003KT 10SM OVC080 06/03 A3014 RMK AO2 SLP206 T00560028 55001 |
| 02:56 EST |  Mostly Cloudy | 6°C / 43°F | 3°C / 37°F | 81% | 1020 mb (30.12 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KGON 050756Z AUTO 02005KT 10SM BKN095 06/03 A3013 RMK AO2 PRESFR SLP201 T00560028 |
| 01:56 EST |  Mostly Cloudy | 6°C / 43°F | 3°C / 37°F | 81% | 1021 mb (30.15 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGON 050656Z AUTO 01003KT 10SM BKN100 06/03 A3014 RMK AO2 SLP206 T00560033 |
| 00:56 EST |  Partly Cloudy | 5°C / 41°F | 3°C / 37°F | 87% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KGON 050556Z AUTO 00000KT 10SM FEW110 05/03 A3014 RMK AO2 SLP207 T00500033 10072 20039 58006 |