| 22:20 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1017 mb (30.03 in) | NE 7 kph (NE 4.6 mph) | 2.03 mm (0.08 in) | 2SM |
| | KMRN 090320Z AUTO 03004KT 2SM -SN BKN005 BKN019 OVC027 03/03 A3002 RMK AO2 P0008 |
| 22:00 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1017 mb (30.03 in) | NNW 11 kph (NNW 6.9 mph) | - | 2 1/2SM |
| | KMRN 090300Z AUTO 33006KT 2 1/2SM -SN BKN005 OVC017 03/03 A3004 RMK AO2 |
| 21:40 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1017 mb (30.03 in) | N 6 kph (N 3.5 mph) | 4.06 mm (0.16 in) | 3SM |
| | KMRN 090240Z AUTO 36003KT 3SM -SN SCT002 BKN007 OVC015 03/03 A3003 RMK AO2 P0016 |
| 21:20 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1017 mb (30.03 in) | ENE 6 kph (ENE 3.5 mph) | 2.29 mm (0.09 in) | 2SM |
| | KMRN 090220Z AUTO 07003KT 2SM -SN OVC004 03/03 A3002 RMK AO2 P0009 |
| 21:00 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1019 mb (30.09 in) | NW 9 kph (NW 5.8 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KMRN 090200Z AUTO 32005KT 2 1/2SM -SN BKN004 BKN008 OVC012 03/03 A3009 RMK AO2 P0001 |
| 20:40 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1018 mb (30.06 in) | N 7 kph (N 4.6 mph) | 2.29 mm (0.09 in) | 2SM |
| | KMRN 090140Z AUTO 01004KT 2SM -SN BKN004 OVC008 03/03 A3007 RMK AO2 P0009 |
| 20:20 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1018 mb (30.06 in) | N 7 kph (N 4.6 mph) | 1.02 mm (0.04 in) | 2 1/2SM |
| | KMRN 090120Z AUTO 01004KT 2 1/2SM -SN BKN004 OVC007 03/03 A3007 RMK AO2 P0004 |
| 20:00 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1019 mb (30.09 in) | N 7 kph (N 4.6 mph) | - | 2SM |
| | KMRN 090100Z AUTO 01004KT 2SM -SN BKN004 OVC008 03/03 A3010 RMK AO2 |
| 19:40 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1020 mb (30.12 in) | N 6 kph (N 3.5 mph) | 1.52 mm (0.06 in) | 1 1/2SM |
| | KMRN 090040Z AUTO 36003KT 1 1/2SM -SN BKN004 BKN007 OVC014 03/03 A3012 RMK AO2 P0006 |
| 19:20 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1020 mb (30.12 in) | N 6 kph (N 3.5 mph) | 0.51 mm (0.02 in) | 2SM |
| | KMRN 090020Z AUTO 01003KT 2SM -SN BKN004 OVC014 03/03 A3012 RMK AO2 P0002 |
| 19:00 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1020 mb (30.12 in) | Calm | - | 2 1/2SM |
| | KMRN 090000Z AUTO 00000KT 2 1/2SM -SN BKN004 OVC016 03/03 A3012 RMK AO2 |
| 18:40 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1020 mb (30.12 in) | N 7 kph (N 4.6 mph) | 0.51 mm (0.02 in) | 2SM |
| | KMRN 082340Z AUTO 01004KT 2SM -SN OVC004 03/03 A3012 RMK AO2 P0002 |
| 18:20 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1021 mb (30.15 in) | N 7 kph (N 4.6 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KMRN 082320Z AUTO 36004KT 2 1/2SM -SN OVC004 03/03 A3014 RMK AO2 P0001 |
| 18:00 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1020 mb (30.12 in) | N 7 kph (N 4.6 mph) | - | 2SM |
| | KMRN 082300Z AUTO 01004KT 2SM -SN OVC004 03/03 A3013 RMK AO2 |
| 17:40 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1021 mb (30.15 in) | NE 6 kph (NE 3.5 mph) | 1.02 mm (0.04 in) | 1 3/4SM |
| | KMRN 082240Z AUTO 03003KT 1 3/4SM -SN OVC002 03/03 A3015 RMK AO2 P0004 |
| 17:20 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1022 mb (30.18 in) | N 6 kph (N 3.5 mph) | 0.76 mm (0.03 in) | 2SM |
| | KMRN 082220Z AUTO 35003KT 2SM -SN BKN002 BKN007 OVC012 03/03 A3018 RMK AO2 P0003 |
| 17:00 EST |  Overcast Light Snow | 3°C / 37°F | 3°C / 37°F | 100% | 1022 mb (30.18 in) | Calm | - | 1 1/2SM |
| | KMRN 082200Z AUTO 00000KT 1 1/2SM -SN BKN003 OVC008 03/03 A3018 RMK AO2 |
| 16:40 EST |  Overcast Light Snow | 4°C / 39°F | 3°C / 37°F | 93% | 1022 mb (30.18 in) | N 7 kph (N 4.6 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KMRN 082140Z AUTO 36004KT 1 1/4SM -SN SCT003 BKN010 OVC021 04/03 A3019 RMK AO2 P0002 |
| 16:20 EST |  Overcast Fog And Mist | 4°C / 39°F | 3°C / 37°F | 93% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KMRN 082120Z AUTO 36003KT 2 1/2SM BR BKN005 BKN010 OVC022 04/03 A3020 RMK AO2 P0001 |
| 16:00 EST |  Overcast Drizzle | 4°C / 39°F | 4°C / 39°F | 100% | 1022 mb (30.18 in) | NE 6 kph (NE 3.5 mph) | - | 2SM |
| | KMRN 082100Z AUTO 04003KT 2SM -DZ BKN005 OVC010 04/04 A3019 RMK AO2 |
| 15:40 EST |  Overcast Drizzle | 4°C / 39°F | 4°C / 39°F | 100% | 1022 mb (30.18 in) | NE 6 kph (NE 3.5 mph) | 0.51 mm (0.02 in) | 2 1/2SM |
| | KMRN 082040Z AUTO 05003KT 2 1/2SM DZ SCT010 BKN032 OVC041 04/04 A3019 RMK AO2 P0002 |
| 15:20 EST |  Overcast Drizzle | 4°C / 39°F | 3°C / 37°F | 93% | 1022 mb (30.18 in) | Calm | 0.25 mm (0.01 in) | 3SM |
| | KMRN 082020Z AUTO 00000KT 3SM DZ SCT010 BKN032 OVC041 04/03 A3019 RMK AO2 P0001 |
| 15:00 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1023 mb (30.21 in) | Calm | - | 4SM |
| | KMRN 082000Z AUTO 00000KT 4SM -RA SCT014 SCT018 OVC043 05/04 A3021 RMK AO2 |
| 14:40 EST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1023 mb (30.21 in) | Calm | 0.51 mm (0.02 in) | 4SM |
| | KMRN 081940Z AUTO 00000KT 4SM RA SCT012 BKN032 OVC041 05/04 A3020 RMK AO2 P0002 |
| 14:20 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | 0.51 mm (0.02 in) | 7SM |
| | KMRN 081920Z AUTO 21003KT 7SM -RA OVC040 05/04 A3021 RMK AO2 P0002 |
| 14:00 EST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1022 mb (30.18 in) | Calm | - | 7SM |
| | KMRN 081900Z AUTO 00000KT 7SM -RA OVC040 05/03 A3019 RMK AO2 |
| 13:41 EST |  Overcast Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1023 mb (30.21 in) | Calm | 0.25 mm (0.01 in) | 7SM |
| | KMRN 081841Z AUTO 00000KT 7SM RA OVC040 05/03 A3021 RMK AO2 P0001 |
| 13:20 EST |  Overcast Rain | 6°C / 43°F | 2°C / 36°F | 76% | 1023 mb (30.21 in) | NE 6 kph (NE 3.5 mph) | - | 7SM |
| | KMRN 081820Z AUTO 04003KT 7SM RA OVC042 06/02 A3022 RMK AO2 |
| 13:00 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1023 mb (30.21 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KMRN 081800Z AUTO 04005KT 10SM OVC042 07/01 A3022 RMK AO2 |
| 12:40 EST |  Overcast Hazy | 7°C / 45°F | 1°C / 34°F | 66% | 1024 mb (30.24 in) | NE 6 kph (NE 3.5 mph) | - | 3SM |
| | KMRN 081740Z AUTO 03003KT 3SM HZ OVC044 07/01 A3025 RMK AO2 |
| 12:20 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMRN 081720Z AUTO 00000KT 10SM OVC046 07/01 A3028 RMK AO2 |
| 12:02 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1026 mb (30.3 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KMRN 081702Z AUTO 06003KT 10SM OVC048 07/01 A3029 RMK AO2 |
| 11:40 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1026 mb (30.3 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KMRN 081640Z AUTO 08005KT 10SM BKN050 OVC065 07/01 A3031 RMK AO2 |
| 11:20 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1027 mb (30.33 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KMRN 081620Z AUTO 07003KT 10SM SCT050 BKN065 OVC080 07/01 A3032 RMK AO2 |
| 11:00 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1027 mb (30.33 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KMRN 081600Z AUTO 11004KT 10SM OVC080 07/01 A3033 RMK AO2 |
| 10:40 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1028 mb (30.36 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KMRN 081540Z AUTO 07005KT 10SM OVC080 07/01 A3035 RMK AO2 |
| 10:20 EST |  Overcast | 7°C / 45°F | 2°C / 36°F | 71% | 1028 mb (30.36 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KMRN 081520Z AUTO 02003KT 10SM OVC080 07/02 A3035 RMK AO2 |
| 10:01 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KMRN 081501Z AUTO 00000KT 10SM SCT040 BKN070 OVC080 07/01 A3035 RMK AO2 |
| 09:40 EST |  Overcast | 6°C / 43°F | 2°C / 36°F | 76% | 1027 mb (30.33 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KMRN 081440Z AUTO 08003KT 10SM SCT040 BKN060 OVC080 06/02 A3034 RMK AO2 |
| 09:20 EST |  Overcast | 6°C / 43°F | 2°C / 36°F | 76% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KMRN 081420Z AUTO 00000KT 10SM SCT040 OVC060 06/02 A3034 RMK AO2 |
| 09:00 EST |  Overcast | 6°C / 43°F | 2°C / 36°F | 76% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KMRN 081400Z AUTO 00000KT 10SM OVC060 06/02 A3033 RMK AO2 |
| 08:40 EST |  Overcast | 5°C / 41°F | 2°C / 36°F | 81% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KMRN 081340Z AUTO 00000KT 10SM BKN060 OVC070 05/02 A3034 RMK AO2 |
| 08:20 EST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1027 mb (30.33 in) | Calm | - | 7SM |
| | KMRN 081320Z AUTO 00000KT 7SM OVC050 04/03 A3034 RMK AO2 |
| 08:00 EST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 1027 mb (30.33 in) | Calm | - | 4SM |
| | KMRN 081300Z AUTO 00000KT 4SM BR SCT044 OVC050 03/02 A3034 RMK AO2 |
| 07:40 EST |  Overcast Fog And Mist | 2°C / 36°F | 2°C / 36°F | 100% | 1027 mb (30.33 in) | Calm | - | 4SM |
| | KMRN 081240Z AUTO 00000KT 4SM BR OVC044 02/02 A3034 RMK AO2 |
| 07:21 EST |  Mostly Cloudy Fog And Mist | 2°C / 36°F | 2°C / 36°F | 100% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KMRN 081221Z AUTO 00000KT 5SM BR BKN044 02/02 A3034 RMK AO2 |
| 07:00 EST |  Partly Cloudy Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1027 mb (30.33 in) | W 9 kph (W 5.8 mph) | - | 5SM |
| | KMRN 081200Z AUTO 28005KT 5SM BR SCT042 02/01 A3032 RMK AO2 |
| 06:40 EST |  Clear Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1026 mb (30.3 in) | Calm | - | 5SM |
| | KMRN 081140Z AUTO 00000KT 5SM BR CLR 02/01 A3030 RMK AO2 |
| 06:20 EST |  Mostly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KMRN 081120Z AUTO 00000KT 7SM BKN050 03/02 A3030 RMK AO2 |
| 06:00 EST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1026 mb (30.3 in) | E 6 kph (E 3.5 mph) | - | 7SM |
| | KMRN 081100Z AUTO 08003KT 7SM OVC050 03/02 A3029 RMK AO2 |
| 05:40 EST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1026 mb (30.3 in) | NNW 6 kph (NNW 3.5 mph) | - | 7SM |
| | KMRN 081040Z AUTO 33003KT 7SM OVC060 03/02 A3031 RMK AO2 |
| 05:20 EST |  Overcast Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1026 mb (30.3 in) | Calm | - | 5SM |
| | KMRN 081020Z AUTO 00000KT 5SM BR OVC060 02/01 A3030 RMK AO2 |
| 05:00 EST |  Mostly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KMRN 081000Z AUTO 00000KT 7SM BKN060 02/01 A3031 RMK AO2 |
| 04:40 EST |  Clear Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1026 mb (30.3 in) | Calm | - | 5SM |
| | KMRN 080940Z AUTO 00000KT 5SM BR CLR 01/01 A3029 RMK AO2 |
| 04:20 EST |  Mostly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMRN 080920Z AUTO 00000KT 10SM BKN090 02/01 A3028 RMK AO2 |
| 04:00 EST |  Overcast | 2°C / 36°F | 2°C / 36°F | 100% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KMRN 080900Z AUTO 00000KT 7SM SCT070 OVC100 02/02 A3029 RMK AO2 |
| 03:40 EST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KMRN 080840Z AUTO 00000KT 7SM SCT070 OVC100 02/01 A3029 RMK AO2 |
| 03:20 EST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KMRN 080820Z AUTO 00000KT 7SM SCT075 OVC100 02/01 A3029 RMK AO2 |
| 03:00 EST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KMRN 080800Z AUTO 00000KT 7SM BKN075 OVC100 02/01 A3029 RMK AO2 |
| 02:40 EST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KMRN 080740Z AUTO 00000KT 7SM BKN075 OVC095 02/01 A3029 RMK AO2 |
| 02:20 EST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KMRN 080720Z AUTO 00000KT 7SM SCT075 OVC095 02/01 A3027 RMK AO2 |
| 02:01 EST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KMRN 080701Z AUTO 00000KT 7SM BKN075 OVC095 02/01 A3027 RMK AO2 |
| 01:41 EST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1025 mb (30.27 in) | Calm | - | 4SM |
| | KMRN 080641Z AUTO 00000KT 4SM BR OVC075 01/01 A3027 RMK AO2 |
| 01:20 EST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KMRN 080620Z AUTO 00000KT 5SM BR OVC075 01/01 A3028 RMK AO2 |
| 01:00 EST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KMRN 080600Z AUTO 00000KT 5SM BR BKN085 OVC095 01/01 A3027 RMK AO2 |
| 00:40 EST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | 0°C / 32°F | 93% | 1025 mb (30.27 in) | NW 6 kph (NW 3.5 mph) | - | 4SM |
| | KMRN 080540Z AUTO 32003KT 4SM BR BKN085 01/00 A3027 RMK AO2 |
| 00:20 EST |  Partly Cloudy Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KMRN 080520Z AUTO 00000KT 5SM BR SCT050 SCT095 01/01 A3027 RMK AO2 |
| 00:01 EST |  Partly Cloudy Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 1025 mb (30.27 in) | Calm | - | 3SM |
| | KMRN 080501Z AUTO 00000KT 3SM BR SCT050 00/00 A3027 RMK AO2 |